22103956 has 24 divisors (see below), whose sum is σ = 44326016. Its totient is φ = 9447840.

The previous prime is 22103947. The next prime is 22103957. The reversal of 22103956 is 65930122.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103957) 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 7 ways as a sum of consecutive naturals, for example, 12826 + ... + 14446.

Almost surely, 2^22103956 is an apocalyptic number.

It is an amenable number.

22103956 is an abundant number, since it is smaller than the sum of its proper divisors (22222060).

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

22103956 is a wasteful number, since it uses less digits than its factorization.

22103956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22103956 is about 4701.4844464275. The cubic root of 22103956 is about 280.6445863913.

The spelling of 22103956 in words is "twenty-two million, one hundred three thousand, nine hundred fifty-six".