21477324251322 has 24 divisors (see below), whose sum is σ = 46534401507360. Its totient is φ = 7159077474120.

The previous prime is 21477324251293. The next prime is 21477324251329. The reversal of 21477324251322 is 22315242377412.

21477324251322 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 73 + 2 + 4 + 251 + 322 = 666.

It is a super-2 number, since 2×21477324251322² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21477324251329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1994997 + ... + 6850887.

It is an arithmetic number, because the mean of its divisors is an integer number (1938933396140).

Almost surely, 2^{21477324251322} is an apocalyptic number.

21477324251322 is an abundant number, since it is smaller than the sum of its proper divisors (25057077256038).

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

21477324251322 is a wasteful number, since it uses less digits than its factorization.

21477324251322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101618 (or 5101615 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 21477324251322 in words is "twenty-one trillion, four hundred seventy-seven billion, three hundred twenty-four million, two hundred fifty-one thousand, three hundred twenty-two".