22221031052 has 24 divisors (see below), whose sum is σ = 43408529472. Its totient is φ = 9865573200.

The previous prime is 22221031051. The next prime is 22221031057. The reversal of 22221031052 is 25013012222.

It is not an unprimeable number, because it can be changed into a prime (22221031051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870474 + ... + 5874257.

It is an arithmetic number, because the mean of its divisors is an integer number (1808688728).

Almost surely, 2^22221031052 is an apocalyptic number.

22221031052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22221031052 is a deficient number, since it is larger than the sum of its proper divisors (21187498420).

22221031052 is a wasteful number, since it uses less digits than its factorization.

22221031052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744789 (or 11744787 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22221031052 its reverse (25013012222), we get a palindrome (47234043274).

The spelling of 22221031052 in words is "twenty-two billion, two hundred twenty-one million, thirty-one thousand, fifty-two".