22555037 has 2 divisors, whose sum is σ = 22555038. Its totient is φ = 22555036.

The previous prime is 22555031. The next prime is 22555063. The reversal of 22555037 is 73055522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22335076 + 219961 = 4726^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555037 - 2¹⁴ = 22538653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22555031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277518 + 11277519.

It is an arithmetic number, because the mean of its divisors is an integer number (11277519).

Almost surely, 2^22555037 is an apocalyptic number.

It is an amenable number.

22555037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555037 is an equidigital number, since it uses as much as digits as its factorization.

22555037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 22555037 is about 4749.2143560804. The cubic root of 22555037 is about 282.5408070114.

The spelling of 22555037 in words is "twenty-two million, five hundred fifty-five thousand, thirty-seven".