22551036 has 12 divisors (see below), whose sum is σ = 52619112. Its totient is φ = 7517008.

The previous prime is 22551013. The next prime is 22551059. The reversal of 22551036 is 63015522.

It is an interprime number because it is at equal distance from previous prime (22551013) and next prime (22551059).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22550997 and 22551015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939615 + ... + 939638.

It is an arithmetic number, because the mean of its divisors is an integer number (4384926).

Almost surely, 2^22551036 is an apocalyptic number.

It is an amenable number.

22551036 is an abundant number, since it is smaller than the sum of its proper divisors (30068076).

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

22551036 is a wasteful number, since it uses less digits than its factorization.

22551036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879260 (or 1879258 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 22551036 is about 4748.7931098333. The cubic root of 22551036 is about 282.5240995443.

Adding to 22551036 its reverse (63015522), we get a palindrome (85566558).

The spelling of 22551036 in words is "twenty-two million, five hundred fifty-one thousand, thirty-six".