222125512780 has 48 divisors (see below), whose sum is σ = 481299751296. Its totient is φ = 86063247360.

The previous prime is 222125512723. The next prime is 222125512799. The reversal of 222125512780 is 87215521222.

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, 1126881 + ... + 1309240.

It is an arithmetic number, because the mean of its divisors is an integer number (10027078152).

Almost surely, 2^222125512780 is an apocalyptic number.

222125512780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222125512780 is an abundant number, since it is smaller than the sum of its proper divisors (259174238516).

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

222125512780 is a wasteful number, since it uses less digits than its factorization.

222125512780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436274 (or 2436272 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 222125512780 in words is "two hundred twenty-two billion, one hundred twenty-five million, five hundred twelve thousand, seven hundred eighty".