1822174452 has 36 divisors (see below), whose sum is σ = 5264060256. Its totient is φ = 520621200.

The previous prime is 1822174399. The next prime is 1822174469. The reversal of 1822174452 is 2544712281.

1822174452 is a `hidden beast` number, since 18 + 22 + 174 + 452 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

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, 3615174 + ... + 3615677.

It is an arithmetic number, because the mean of its divisors is an integer number (146223896).

Almost surely, 2^1822174452 is an apocalyptic number.

1822174452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1822174452 is an abundant number, since it is smaller than the sum of its proper divisors (3441885804).

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

1822174452 is a wasteful number, since it uses less digits than its factorization.

1822174452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230868 (or 7230863 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 1822174452 is about 42686.9353784035. The cubic root of 1822174452 is about 1221.4151928301.

It can be divided in two parts, 18 and 22174452, that added together give a triangular number (22174470 = T₆₆₅₉).

The spelling of 1822174452 in words is "one billion, eight hundred twenty-two million, one hundred seventy-four thousand, four hundred fifty-two".