1722555056 has 20 divisors (see below), whose sum is σ = 3533771592. Its totient is φ = 810614016.

The previous prime is 1722555047. The next prime is 1722555089. The reversal of 1722555056 is 6505552271.

It is a super-3 number, since 3×1722555056³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166190 + ... + 3166733.

Almost surely, 2^1722555056 is an apocalyptic number.

1722555056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1722555056 is an abundant number, since it is smaller than the sum of its proper divisors (1811216536).

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

1722555056 is a wasteful number, since it uses less digits than its factorization.

1722555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332948 (or 6332942 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 1722555056 is about 41503.6752107569. The cubic root of 1722555056 is about 1198.7382701260.

The spelling of 1722555056 in words is "one billion, seven hundred twenty-two million, five hundred fifty-five thousand, fifty-six".