915223422 has 16 divisors (see below), whose sum is σ = 1831639680. Its totient is φ = 304875672.

The previous prime is 915223409. The next prime is 915223459. The reversal of 915223422 is 224322519.

It is a self number, because there is not a number n which added to its sum of digits gives 915223422.

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, 39568 + ... + 58275.

It is an arithmetic number, because the mean of its divisors is an integer number (114477480).

Almost surely, 2^915223422 is an apocalyptic number.

915223422 is an abundant number, since it is smaller than the sum of its proper divisors (916416258).

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

915223422 is a wasteful number, since it uses less digits than its factorization.

915223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99407.

The product of its digits is 8640, while the sum is 30.

The square root of 915223422 is about 30252.6597508384. The cubic root of 915223422 is about 970.9026995441.

The spelling of 915223422 in words is "nine hundred fifteen million, two hundred twenty-three thousand, four hundred twenty-two".