222172971402 has 16 divisors (see below), whose sum is σ = 444372213312. Its totient is φ = 74053278720.

The previous prime is 222172971343. The next prime is 222172971409. The reversal of 222172971402 is 204179271222.

It is not an unprimeable number, because it can be changed into a prime (222172971409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983799 + ... + 1188362.

It is an arithmetic number, because the mean of its divisors is an integer number (27773263332).

Almost surely, 2^222172971402 is an apocalyptic number.

222172971402 is an abundant number, since it is smaller than the sum of its proper divisors (222199241910).

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

222172971402 is a wasteful number, since it uses less digits than its factorization.

222172971402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189213.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 222172971402 in words is "two hundred twenty-two billion, one hundred seventy-two million, nine hundred seventy-one thousand, four hundred two".