44220634 has 4 divisors (see below), whose sum is σ = 66330954. Its totient is φ = 22110316.

The previous prime is 44220611. The next prime is 44220637. The reversal of 44220634 is 43602244.

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., 44182609 + 38025 = 6647^2 + 195^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44220599 and 44220608.

It is not an unprimeable number, because it can be changed into a prime (44220637) by changing a digit.

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, 11055157 + ... + 11055160.

Almost surely, 2^44220634 is an apocalyptic number.

44220634 is a deficient number, since it is larger than the sum of its proper divisors (22110320).

44220634 is a wasteful number, since it uses less digits than its factorization.

44220634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110319.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 44220634 is about 6649.8596977681. The cubic root of 44220634 is about 353.6239369847.

Adding to 44220634 its reverse (43602244), we get a palindrome (87822878).

The spelling of 44220634 in words is "forty-four million, two hundred twenty thousand, six hundred thirty-four".