21470744624322 has 64 divisors (see below), whose sum is σ = 49242441498624. Its totient is φ = 6113726760960.

The previous prime is 21470744624321. The next prime is 21470744624353. The reversal of 21470744624322 is 22342644707412.

It is not an unprimeable number, because it can be changed into a prime (21470744624321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13997343 + ... + 15455325.

It is an arithmetic number, because the mean of its divisors is an integer number (769413148416).

Almost surely, 2^{21470744624322} is an apocalyptic number.

21470744624322 is an abundant number, since it is smaller than the sum of its proper divisors (27771696874302).

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

21470744624322 is a wasteful number, since it uses less digits than its factorization.

21470744624322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459183.

The product of its (nonzero) digits is 3612672, while the sum is 48.

The spelling of 21470744624322 in words is "twenty-one trillion, four hundred seventy billion, seven hundred forty-four million, six hundred twenty-four thousand, three hundred twenty-two".