52226661 has 16 divisors (see below), whose sum is σ = 73640448. Its totient is φ = 32870400.

The previous prime is 52226653. The next prime is 52226683. The reversal of 52226661 is 16662225.

It is not a de Polignac number, because 52226661 - 2³ = 52226653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52226621) 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, 3036 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (4602528).

Almost surely, 2^52226661 is an apocalyptic number.

It is an amenable number.

52226661 is a deficient number, since it is larger than the sum of its proper divisors (21413787).

52226661 is a wasteful number, since it uses less digits than its factorization.

52226661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772.

The product of its digits is 8640, while the sum is 30.

The square root of 52226661 is about 7226.8015746940. The cubic root of 52226661 is about 373.7926467445.

Adding to 52226661 its reverse (16662225), we get a palindrome (68888886).

The spelling of 52226661 in words is "fifty-two million, two hundred twenty-six thousand, six hundred sixty-one".