2172466400 has 72 divisors (see below), whose sum is σ = 5711525064. Its totient is φ = 802137600.

The previous prime is 2172466381. The next prime is 2172466411. The reversal of 2172466400 is 46642712.

It is a super-2 number, since 2×2172466400² = 9439220518257920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 94046 + ... + 114845.

It is an arithmetic number, because the mean of its divisors is an integer number (79326737).

Almost surely, 2^2172466400 is an apocalyptic number.

2172466400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172466400 is an abundant number, since it is smaller than the sum of its proper divisors (3539058664).

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

2172466400 is a wasteful number, since it uses less digits than its factorization.

2172466400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208924 (or 208911 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2172466400 is about 46609.7243072730. The cubic root of 2172466400 is about 1295.1429010028.

The spelling of 2172466400 in words is "two billion, one hundred seventy-two million, four hundred sixty-six thousand, four hundred".