222061650 has 48 divisors (see below), whose sum is σ = 583114464. Its totient is φ = 55732480.

The previous prime is 222061643. The next prime is 222061669. The reversal of 222061650 is 56160222.

It is a super-2 number, since 2×222061650² = 98622752801445000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222061650.

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 23 ways as a sum of consecutive naturals, for example, 40992 + ... + 46091.

It is an arithmetic number, because the mean of its divisors is an integer number (12148218).

Almost surely, 2^222061650 is an apocalyptic number.

222061650 is an abundant number, since it is smaller than the sum of its proper divisors (361052814).

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

222061650 is a wasteful number, since it uses less digits than its factorization.

222061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87115 (or 87110 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 222061650 is about 14901.7331206810. The cubic root of 222061650 is about 605.5609395787.

The spelling of 222061650 in words is "two hundred twenty-two million, sixty-one thousand, six hundred fifty".