222051630 has 16 divisors (see below), whose sum is σ = 532923984. Its totient is φ = 59213760.

The previous prime is 222051629. The next prime is 222051649. The reversal of 222051630 is 36150222.

It is a junction number, because it is equal to n+sod(n) for n = 222051597 and 222051606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700831 + ... + 3700890.

It is an arithmetic number, because the mean of its divisors is an integer number (33307749).

Almost surely, 2^222051630 is an apocalyptic number.

222051630 is an abundant number, since it is smaller than the sum of its proper divisors (310872354).

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

222051630 is a wasteful number, since it uses less digits than its factorization.

222051630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401731.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 222051630 is about 14901.3969143836. The cubic root of 222051630 is about 605.5518312795.

The spelling of 222051630 in words is "two hundred twenty-two million, fifty-one thousand, six hundred thirty".