1722274560 has 108 divisors (see below), whose sum is σ = 5958930432. Its totient is φ = 459270144.

The previous prime is 1722274553. The next prime is 1722274613. The reversal of 1722274560 is 654722271.

It is a happy number.

1722274560 is a `hidden beast` number, since 1 + 7 + 2 + 22 + 74 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63232 + ... + 86271.

Almost surely, 2^1722274560 is an apocalyptic number.

1722274560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1722274560 is an abundant number, since it is smaller than the sum of its proper divisors (4236655872).

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

1722274560 is a wasteful number, since it uses less digits than its factorization.

1722274560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149530 (or 149513 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1722274560 is about 41500.2959025595. The cubic root of 1722274560 is about 1198.6732002093.

The spelling of 1722274560 in words is "one billion, seven hundred twenty-two million, two hundred seventy-four thousand, five hundred sixty".