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22000332 = 2238812081
BaseRepresentation
bin101001111101…
…1001011001100
31112101201210010
41103323023030
521113002312
62103313220
7354666624
oct123731314
945351703
1022000332
11114671a2
12744b810
134733a63
142cc9884
151de893c
hex14fb2cc

22000332 has 24 divisors (see below), whose sum is σ = 51417072. Its totient is φ = 7321600.

The previous prime is 22000327. The next prime is 22000339. The reversal of 22000332 is 23300022.

It is a super-2 number, since 2×220003322 = 968029216220448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22000339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9532 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (2142378).

Almost surely, 222000332 is an apocalyptic number.

It is an amenable number.

22000332 is an abundant number, since it is smaller than the sum of its proper divisors (29416740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22000332 is a wasteful number, since it uses less digits than its factorization.

22000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 22000332 is about 4690.4511510088. The cubic root of 22000332 is about 280.2053425691.

Adding to 22000332 its reverse (23300022), we get a palindrome (45300354).

The spelling of 22000332 in words is "twenty-two million, three hundred thirty-two", and thus it is an aban number.