23214222220 has 48 divisors (see below), whose sum is σ = 56627500608. Its totient is φ = 7828680960.

The previous prime is 23214222203. The next prime is 23214222233. The reversal of 23214222220 is 2222241232.

It is a super-2 number, since 2×23214222220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23214222191 and 23214222200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350607 + ... + 1367686.

It is an arithmetic number, because the mean of its divisors is an integer number (1179739596).

Almost surely, 2^23214222220 is an apocalyptic number.

23214222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23214222220 is an abundant number, since it is smaller than the sum of its proper divisors (33413278388).

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

23214222220 is a wasteful number, since it uses less digits than its factorization.

23214222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718370 (or 2718368 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23214222220 its reverse (2222241232), we get a palindrome (25436463452).

The spelling of 23214222220 in words is "twenty-three billion, two hundred fourteen million, two hundred twenty-two thousand, two hundred twenty".