222662040 has 32 divisors (see below), whose sum is σ = 667986480. Its totient is φ = 59376512.

The previous prime is 222662009. The next prime is 222662051. The reversal of 222662040 is 40266222.

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 222662040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927639 + ... + 927878.

Almost surely, 2^222662040 is an apocalyptic number.

222662040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222662040 is an abundant number, since it is smaller than the sum of its proper divisors (445324440).

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

222662040 is a wasteful number, since it uses less digits than its factorization.

222662040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855531 (or 1855527 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 222662040 is about 14921.8644947607. The cubic root of 222662040 is about 606.1062019100.

The spelling of 222662040 in words is "two hundred twenty-two million, six hundred sixty-two thousand, forty".