222555887492 has 48 divisors (see below), whose sum is σ = 409766742000. Its totient is φ = 105612648960.

The previous prime is 222555887479. The next prime is 222555887537. The reversal of 222555887492 is 294788555222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38441092096 + 184114795396 = 196064^2 + 429086^2 .

It is a super-2 number, since 2×222555887492² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 12253634 + ... + 12271782.

It is an arithmetic number, because the mean of its divisors is an integer number (8536807125).

Almost surely, 2^222555887492 is an apocalyptic number.

It is an amenable number.

222555887492 is a deficient number, since it is larger than the sum of its proper divisors (187210854508).

222555887492 is a wasteful number, since it uses less digits than its factorization.

222555887492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976 (or 19974 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 59.

The spelling of 222555887492 in words is "two hundred twenty-two billion, five hundred fifty-five million, eight hundred eighty-seven thousand, four hundred ninety-two".