222649988774520 has 64 divisors (see below), whose sum is σ = 673048821075840. Its totient is φ = 58920098806400.

The previous prime is 222649988774449. The next prime is 222649988774663. The reversal of 222649988774520 is 25477889946222.

It is a super-2 number, since 2×222649988774520² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 7081726926 + ... + 7081758365.

It is an arithmetic number, because the mean of its divisors is an integer number (10516387829310).

Almost surely, 2^{222649988774520} is an apocalyptic number.

222649988774520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222649988774520 is an abundant number, since it is smaller than the sum of its proper divisors (450398832301320).

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

222649988774520 is a wasteful number, since it uses less digits than its factorization.

222649988774520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163485436 (or 14163485432 counting only the distinct ones).

The product of its (nonzero) digits is 1950842880, while the sum is 75.

The spelling of 222649988774520 in words is "two hundred twenty-two trillion, six hundred forty-nine billion, nine hundred eighty-eight million, seven hundred seventy-four thousand, five hundred twenty".