44522422590 has 128 divisors (see below), whose sum is σ = 110863613952. Its totient is φ = 11437937280.

The previous prime is 44522422489. The next prime is 44522422591. The reversal of 44522422590 is 9522422544.

It is a super-2 number, since 2×44522422590² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44522422591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17182195 + ... + 17184785.

It is an arithmetic number, because the mean of its divisors is an integer number (866121984).

Almost surely, 2^44522422590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44522422590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55431806976).

44522422590 is an abundant number, since it is smaller than the sum of its proper divisors (66341191362).

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

44522422590 is a wasteful number, since it uses less digits than its factorization.

44522422590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 44522422590 in words is "forty-four billion, five hundred twenty-two million, four hundred twenty-two thousand, five hundred ninety".