622434478081 has 24 divisors (see below), whose sum is σ = 697476303360. Its totient is φ = 554632416000.

The previous prime is 622434478013. The next prime is 622434478091. The reversal of 622434478081 is 180874434226.

It is not a de Polignac number, because 622434478081 - 2²⁷ = 622300260353 is a prime.

It is a super-2 number, since 2×622434478081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622434478091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1952700 + ... + 2248978.

It is an arithmetic number, because the mean of its divisors is an integer number (29061512640).

Almost surely, 2^622434478081 is an apocalyptic number.

It is an amenable number.

622434478081 is a deficient number, since it is larger than the sum of its proper divisors (75041825279).

622434478081 is a wasteful number, since it uses less digits than its factorization.

622434478081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296737 (or 296724 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 622434478081 in words is "six hundred twenty-two billion, four hundred thirty-four million, four hundred seventy-eight thousand, eighty-one".