22021233102 has 48 divisors (see below), whose sum is σ = 53789253840. Its totient is φ = 6673098960.

The previous prime is 22021233083. The next prime is 22021233109. The reversal of 22021233102 is 20133212022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021233109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1678593 + ... + 1691660.

It is an arithmetic number, because the mean of its divisors is an integer number (1120609455).

Almost surely, 2^22021233102 is an apocalyptic number.

22021233102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021233102 is an abundant number, since it is smaller than the sum of its proper divisors (31768020738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021233102 is a wasteful number, since it uses less digits than its factorization.

22021233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370286 (or 3370269 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22021233102 its reverse (20133212022), we get a palindrome (42154445124).

It can be divided in two parts, 2202123 and 3102, that added together give a square (2205225 = 1485²).

The spelling of 22021233102 in words is "twenty-two billion, twenty-one million, two hundred thirty-three thousand, one hundred two".