22031037 has 18 divisors (see below), whose sum is σ = 37018878. Its totient is φ = 12588912.

The previous prime is 22031027. The next prime is 22031057. The reversal of 22031037 is 73013022.

It can be written as a sum of positive squares in only one way, i.e., 16597476 + 5433561 = 4074^2 + 2331^2 .

It is not a de Polignac number, because 22031037 - 2⁶ = 22030973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24538 + ... + 25419.

Almost surely, 2^22031037 is an apocalyptic number.

It is an amenable number.

22031037 is a deficient number, since it is larger than the sum of its proper divisors (14987841).

22031037 is a wasteful number, since it uses less digits than its factorization.

22031037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49977 (or 49967 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 22031037 is about 4693.7231490577. The cubic root of 22031037 is about 280.3356391714.

Adding to 22031037 its reverse (73013022), we get a palindrome (95044059).

It can be divided in two parts, 2203 and 1037, that added together give a triangular number (3240 = T₈₀).

The spelling of 22031037 in words is "twenty-two million, thirty-one thousand, thirty-seven".