44390722 has 4 divisors (see below), whose sum is σ = 66586086. Its totient is φ = 22195360.

The previous prime is 44390719. The next prime is 44390743. The reversal of 44390722 is 22709344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39050001 + 5340721 = 6249^2 + 2311^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11097679 + ... + 11097682.

Almost surely, 2^44390722 is an apocalyptic number.

44390722 is a deficient number, since it is larger than the sum of its proper divisors (22195364).

44390722 is a wasteful number, since it uses less digits than its factorization.

44390722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195363.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 44390722 is about 6662.6362650230. The cubic root of 44390722 is about 354.0767439772.

The spelling of 44390722 in words is "forty-four million, three hundred ninety thousand, seven hundred twenty-two".