22431002 has 16 divisors (see below), whose sum is σ = 37210752. Its totient is φ = 10055520.

The previous prime is 22430987. The next prime is 22431047. The reversal of 22431002 is 20013422.

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 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (2325672).

Almost surely, 2^22431002 is an apocalyptic number.

22431002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22431002 is a deficient number, since it is larger than the sum of its proper divisors (14779750).

22431002 is a wasteful number, since it uses less digits than its factorization.

22431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22431002 is about 4736.1378780606. The cubic root of 22431002 is about 282.0219371630.

Adding to 22431002 its reverse (20013422), we get a palindrome (42444424).

The spelling of 22431002 in words is "twenty-two million, four hundred thirty-one thousand, two".