44420115 has 16 divisors (see below), whose sum is σ = 71469216. Its totient is φ = 23558400.

The previous prime is 44420113. The next prime is 44420143. The reversal of 44420115 is 51102444.

It is a happy number.

It is not a de Polignac number, because 44420115 - 2¹ = 44420113 is a prime.

It is a super-2 number, since 2×44420115² = 3946293233226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44420091 and 44420100.

It is not an unprimeable number, because it can be changed into a prime (44420111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5466 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (4466826).

Almost surely, 2^44420115 is an apocalyptic number.

44420115 is a deficient number, since it is larger than the sum of its proper divisors (27049101).

44420115 is a wasteful number, since it uses less digits than its factorization.

44420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16550.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44420115 is about 6664.8417085479. The cubic root of 44420115 is about 354.1548765318.

Adding to 44420115 its reverse (51102444), we get a palindrome (95522559).

The spelling of 44420115 in words is "forty-four million, four hundred twenty thousand, one hundred fifteen".