22031030 has 32 divisors (see below), whose sum is σ = 45501696. Its totient is φ = 7523424.

The previous prime is 22031027. The next prime is 22031057. The reversal of 22031030 is 3013022.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23837 + ... + 24743.

It is an arithmetic number, because the mean of its divisors is an integer number (1421928).

Almost surely, 2^22031030 is an apocalyptic number.

22031030 is an abundant number, since it is smaller than the sum of its proper divisors (23470666).

22031030 is a wasteful number, since it uses less digits than its factorization.

22031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 22031030 is about 4693.7224033809. The cubic root of 22031030 is about 280.3356094807.

Adding to 22031030 its reverse (3013022), we get a palindrome (25044052).

The spelling of 22031030 in words is "twenty-two million, thirty-one thousand, thirty".