21224620442322 has 96 divisors (see below), whose sum is σ = 52811247078720. Its totient is φ = 6092779512960.

The previous prime is 21224620442273. The next prime is 21224620442353. The reversal of 21224620442322 is 22324402642212.

21224620442322 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 4 + 6 + 204 + 423 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57649728 + ... + 58016724.

It is an arithmetic number, because the mean of its divisors is an integer number (550117157070).

Almost surely, 2^{21224620442322} is an apocalyptic number.

21224620442322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21224620442322 is an abundant number, since it is smaller than the sum of its proper divisors (31586626636398).

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

21224620442322 is a wasteful number, since it uses less digits than its factorization.

21224620442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382408 (or 382405 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 21224620442322 in words is "twenty-one trillion, two hundred twenty-four billion, six hundred twenty million, four hundred forty-two thousand, three hundred twenty-two".