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22336225 = 52893449
BaseRepresentation
bin101010100110…
…1001011100001
31120000210112121
41111031023201
521204224400
62114424241
7360566122
oct125151341
946023477
1022336225
111167659a
127592081
134820902
142d76049
151e6321a
hex154d2e1

22336225 has 6 divisors (see below), whose sum is σ = 27696950. Its totient is φ = 17868960.

The previous prime is 22336219. The next prime is 22336231. The reversal of 22336225 is 52263322.

It is an interprime number because it is at equal distance from previous prime (22336219) and next prime (22336231).

It can be written as a sum of positive squares in 3 ways, for example, as 1760929 + 20575296 = 1327^2 + 4536^2 .

It is not a de Polignac number, because 22336225 - 221 = 20239073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 893449 = 22336225 / (2 + 2 + 3 + 3 + 6 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 22336225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446700 + ... + 446749.

Almost surely, 222336225 is an apocalyptic number.

22336225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22336225 is a deficient number, since it is larger than the sum of its proper divisors (5360725).

22336225 is an equidigital number, since it uses as much as digits as its factorization.

22336225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893459 (or 893454 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 22336225 is about 4726.1215600109. The cubic root of 22336225 is about 281.6241703021.

Adding to 22336225 its reverse (52263322), we get a palindrome (74599547).

The spelling of 22336225 in words is "twenty-two million, three hundred thirty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 893449 4467245 22336225