44522421 has 4 divisors (see below), whose sum is σ = 59363232. Its totient is φ = 29681612.

The previous prime is 44522419. The next prime is 44522431. The reversal of 44522421 is 12422544.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44522421 - 2¹ = 44522419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44522391 and 44522400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44522431) 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, 7420401 + ... + 7420406.

It is an arithmetic number, because the mean of its divisors is an integer number (14840808).

Almost surely, 2^44522421 is an apocalyptic number.

It is an amenable number.

44522421 is a deficient number, since it is larger than the sum of its proper divisors (14840811).

44522421 is a wasteful number, since it uses less digits than its factorization.

44522421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14840810.

The product of its digits is 2560, while the sum is 24.

The square root of 44522421 is about 6672.5123454363. The cubic root of 44522421 is about 354.4265581663.

Adding to 44522421 its reverse (12422544), we get a palindrome (56944965).

The spelling of 44522421 in words is "forty-four million, five hundred twenty-two thousand, four hundred twenty-one".