222153140 has 24 divisors (see below), whose sum is σ = 508933152. Its totient is φ = 80782880.

The previous prime is 222153133. The next prime is 222153193. The reversal of 222153140 is 41351222.

It is a super-2 number, since 2×222153140² = 98704035223719200, which 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 7 ways as a sum of consecutive naturals, for example, 504674 + ... + 505113.

It is an arithmetic number, because the mean of its divisors is an integer number (21205548).

Almost surely, 2^222153140 is an apocalyptic number.

222153140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222153140 is an abundant number, since it is smaller than the sum of its proper divisors (286780012).

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

222153140 is a wasteful number, since it uses less digits than its factorization.

222153140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009807 (or 1009805 counting only the distinct ones).

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

The square root of 222153140 is about 14904.8025817184. The cubic root of 222153140 is about 605.6440924080.

The spelling of 222153140 in words is "two hundred twenty-two million, one hundred fifty-three thousand, one hundred forty".