20221253224 has 16 divisors (see below), whose sum is σ = 37977321600. Its totient is φ = 10093967472.

The previous prime is 20221253201. The next prime is 20221253233. The reversal of 20221253224 is 42235212202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077234 + ... + 2086945.

It is an arithmetic number, because the mean of its divisors is an integer number (2373582600).

Almost surely, 2^20221253224 is an apocalyptic number.

It is an amenable number.

20221253224 is a deficient number, since it is larger than the sum of its proper divisors (17756068376).

20221253224 is a wasteful number, since it uses less digits than its factorization.

20221253224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164792 (or 4164788 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20221253224 its reverse (42235212202), we get a palindrome (62456465426).

The spelling of 20221253224 in words is "twenty billion, two hundred twenty-one million, two hundred fifty-three thousand, two hundred twenty-four".