222012243200 has 108 divisors (see below), whose sum is σ = 599471089728. Its totient is φ = 80731699200.

The previous prime is 222012243191. The next prime is 222012243227. The reversal of 222012243200 is 2342210222.

It is a super-2 number, since 2×222012243200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1506392 + ... + 1647191.

Almost surely, 2^222012243200 is an apocalyptic number.

222012243200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012243200 is an abundant number, since it is smaller than the sum of its proper divisors (377458846528).

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

222012243200 is a wasteful number, since it uses less digits than its factorization.

222012243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153620 (or 3153601 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222012243200 its reverse (2342210222), we get a palindrome (224354453422).

The spelling of 222012243200 in words is "two hundred twenty-two billion, twelve million, two hundred forty-three thousand, two hundred".