222842040 has 64 divisors (see below), whose sum is σ = 682767360. Its totient is φ = 58158720.

The previous prime is 222842023. The next prime is 222842071. The reversal of 222842040 is 40248222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222842040.

It is a congruent number.

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, 14116 + ... + 25395.

It is an arithmetic number, because the mean of its divisors is an integer number (10668240).

Almost surely, 2^222842040 is an apocalyptic number.

222842040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222842040 is an abundant number, since it is smaller than the sum of its proper divisors (459925320).

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

222842040 is a wasteful number, since it uses less digits than its factorization.

222842040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39572 (or 39568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 222842040 is about 14927.8946941623. The cubic root of 222842040 is about 606.2694833431.

The spelling of 222842040 in words is "two hundred twenty-two million, eight hundred forty-two thousand, forty".