22406220644622 has 16 divisors (see below), whose sum is σ = 44813000794752. Its totient is φ = 7468646963960.

The previous prime is 22406220644579. The next prime is 22406220644623. The reversal of 22406220644622 is 22644602260422.

It is a super-3 number, since 3×22406220644622³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406220644623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22791228 + ... + 23753999.

It is an arithmetic number, because the mean of its divisors is an integer number (2800812549672).

Almost surely, 2^{22406220644622} is an apocalyptic number.

22406220644622 is an abundant number, since it is smaller than the sum of its proper divisors (22406780150130).

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

22406220644622 is a wasteful number, since it uses less digits than its factorization.

22406220644622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46625463.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 22406220644622 in words is "twenty-two trillion, four hundred six billion, two hundred twenty million, six hundred forty-four thousand, six hundred twenty-two".