222567140 has 96 divisors (see below), whose sum is σ = 514926720. Its totient is φ = 80510976.

The previous prime is 222567139. The next prime is 222567181. The reversal of 222567140 is 41765222.

It is a happy number.

It is a super-2 number, since 2×222567140² = 99072263615559200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865892 + ... + 866148.

It is an arithmetic number, because the mean of its divisors is an integer number (5363820).

Almost surely, 2^222567140 is an apocalyptic number.

222567140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222567140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257463360).

222567140 is an abundant number, since it is smaller than the sum of its proper divisors (292359580).

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

222567140 is a wasteful number, since it uses less digits than its factorization.

222567140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 222567140 is about 14918.6842583386. The cubic root of 222567140 is about 606.0200808807.

The spelling of 222567140 in words is "two hundred twenty-two million, five hundred sixty-seven thousand, one hundred forty".