21872233702 has 24 divisors (see below), whose sum is σ = 36145914336. Its totient is φ = 9918810000.

The previous prime is 21872233697. The next prime is 21872233739. The reversal of 21872233702 is 20733227812.

It is a super-2 number, since 2×21872233702² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 209152.

It is an arithmetic number, because the mean of its divisors is an integer number (1506079764).

Almost surely, 2^21872233702 is an apocalyptic number.

21872233702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21872233702 is a deficient number, since it is larger than the sum of its proper divisors (14273680634).

21872233702 is a wasteful number, since it uses less digits than its factorization.

21872233702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210156 (or 210145 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 21872233702 in words is "twenty-one billion, eight hundred seventy-two million, two hundred thirty-three thousand, seven hundred two".