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22325401 = 73189343
BaseRepresentation
bin101010100101…
…0100010011001
31120000020200201
41111022202121
521203403101
62114302201
7360522430
oct125124231
946006621
1022325401
111166944a
127587961
1348189c7
142d72117
151e5ee01
hex154a899

22325401 has 4 divisors (see below), whose sum is σ = 25514752. Its totient is φ = 19136052.

The previous prime is 22325327. The next prime is 22325431. The reversal of 22325401 is 10452322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22325401 is a prime.

It is a super-3 number, since 3×223254013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22325431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594665 + ... + 1594678.

It is an arithmetic number, because the mean of its divisors is an integer number (6378688).

Almost surely, 222325401 is an apocalyptic number.

It is an amenable number.

22325401 is a deficient number, since it is larger than the sum of its proper divisors (3189351).

22325401 is an equidigital number, since it uses as much as digits as its factorization.

22325401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189350.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22325401 is about 4724.9762962368. The cubic root of 22325401 is about 281.5786718267.

Adding to 22325401 its reverse (10452322), we get a palindrome (32777723).

The spelling of 22325401 in words is "twenty-two million, three hundred twenty-five thousand, four hundred one".

Divisors: 1 7 3189343 22325401