22231046 has 4 divisors (see below), whose sum is σ = 33346572. Its totient is φ = 11115522.

The previous prime is 22231037. The next prime is 22231049. The reversal of 22231046 is 64013222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557760 + ... + 5557763.

It is an arithmetic number, because the mean of its divisors is an integer number (8336643).

Almost surely, 2^22231046 is an apocalyptic number.

22231046 is a deficient number, since it is larger than the sum of its proper divisors (11115526).

22231046 is a wasteful number, since it uses less digits than its factorization.

22231046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115525.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22231046 is about 4714.9810179894. The cubic root of 22231046 is about 281.1814281552.

Adding to 22231046 its reverse (64013222), we get a palindrome (86244268).

The spelling of 22231046 in words is "twenty-two million, two hundred thirty-one thousand, forty-six".