46220644 has 6 divisors (see below), whose sum is σ = 80886134. Its totient is φ = 23110320.

The previous prime is 46220641. The next prime is 46220651. The reversal of 46220644 is 44602264.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 4359744 = 6470^2 + 2088^2 .

It is not an unprimeable number, because it can be changed into a prime (46220641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777577 + ... + 5777584.

Almost surely, 2^46220644 is an apocalyptic number.

It is an amenable number.

46220644 is a deficient number, since it is larger than the sum of its proper divisors (34665490).

46220644 is a wasteful number, since it uses less digits than its factorization.

46220644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555165 (or 11555163 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 46220644 is about 6798.5766157336. The cubic root of 46220644 is about 358.8767561892.

It can be divided in two parts, 46220 and 644, that added together give a palindrome (46864).

The spelling of 46220644 in words is "forty-six million, two hundred twenty thousand, six hundred forty-four".