44622690 has 64 divisors (see below), whose sum is σ = 123641856. Its totient is φ = 10095552.

The previous prime is 44622679. The next prime is 44622701. The reversal of 44622690 is 9622644.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44622679) and next prime (44622701).

It is a super-3 number, since 3×44622690³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20599 + ... + 22661.

It is an arithmetic number, because the mean of its divisors is an integer number (1931904).

Almost surely, 2^44622690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44622690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61820928).

44622690 is an abundant number, since it is smaller than the sum of its proper divisors (79019166).

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

44622690 is a wasteful number, since it uses less digits than its factorization.

44622690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 44622690 is about 6680.0217065516. The cubic root of 44622690 is about 354.6924268433.

The spelling of 44622690 in words is "forty-four million, six hundred twenty-two thousand, six hundred ninety".