8742212622 has 48 divisors (see below), whose sum is σ = 22252911408. Its totient is φ = 2445373440.

The previous prime is 8742212599. The next prime is 8742212641. The reversal of 8742212622 is 2262122478.

8742212622 is a `hidden beast` number, since 8 + 7 + 4 + 2 + 21 + 2 + 622 = 666.

It is a super-2 number, since 2×8742212622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695603 + ... + 1700750.

It is an arithmetic number, because the mean of its divisors is an integer number (463602321).

Almost surely, 2^8742212622 is an apocalyptic number.

8742212622 is an abundant number, since it is smaller than the sum of its proper divisors (13510698786).

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

8742212622 is a wasteful number, since it uses less digits than its factorization.

8742212622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396385 (or 3396382 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 8742212622 is about 93499.8001174334. The cubic root of 8742212622 is about 2060.0311540517.

The spelling of 8742212622 in words is "eight billion, seven hundred forty-two million, two hundred twelve thousand, six hundred twenty-two".