222569940 has 24 divisors (see below), whose sum is σ = 623196000. Its totient is φ = 59351968.

The previous prime is 222569929. The next prime is 222569947. The reversal of 222569940 is 49965222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222569947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854690 + ... + 1854809.

It is an arithmetic number, because the mean of its divisors is an integer number (25966500).

Almost surely, 2^222569940 is an apocalyptic number.

222569940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222569940 is an abundant number, since it is smaller than the sum of its proper divisors (400626060).

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

222569940 is a wasteful number, since it uses less digits than its factorization.

222569940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709511 (or 3709509 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 222569940 is about 14918.7781000992. The cubic root of 222569940 is about 606.0226222099.

The spelling of 222569940 in words is "two hundred twenty-two million, five hundred sixty-nine thousand, nine hundred forty".