22031046 has 24 divisors (see below), whose sum is σ = 48341280. Its totient is φ = 7250256.

The previous prime is 22031027. The next prime is 22031057. The reversal of 22031046 is 64013022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6325 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (2014220).

Almost surely, 2^22031046 is an apocalyptic number.

22031046 is an abundant number, since it is smaller than the sum of its proper divisors (26310234).

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

22031046 is a wasteful number, since it uses less digits than its factorization.

22031046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580 (or 15577 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22031046 is about 4693.7241077848. The cubic root of 22031046 is about 280.3356773452.

Adding to 22031046 its reverse (64013022), we get a palindrome (86044068).

It can be divided in two parts, 2203 and 1046, that added together give a square (3249 = 57²).

The spelling of 22031046 in words is "twenty-two million, thirty-one thousand, forty-six".