45521022 has 8 divisors (see below), whose sum is σ = 91042056. Its totient is φ = 15173672.

The previous prime is 45520999. The next prime is 45521023. The reversal of 45521022 is 22012554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

45521022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 45521022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793413 + ... + 3793424.

It is an arithmetic number, because the mean of its divisors is an integer number (11380257).

Almost surely, 2^45521022 is an apocalyptic number.

45521022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45521022 is a wasteful number, since it uses less digits than its factorization.

45521022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586842.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45521022 is about 6746.9268559841. The cubic root of 45521022 is about 357.0568215309.

Adding to 45521022 its reverse (22012554), we get a palindrome (67533576).

The spelling of 45521022 in words is "forty-five million, five hundred twenty-one thousand, twenty-two".