52122722 has 4 divisors (see below), whose sum is σ = 78184086. Its totient is φ = 26061360.

The previous prime is 52122713. The next prime is 52122727. The reversal of 52122722 is 22722125.

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., 41357761 + 10764961 = 6431^2 + 3281^2 .

It is not an unprimeable number, because it can be changed into a prime (52122727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13030679 + ... + 13030682.

Almost surely, 2^52122722 is an apocalyptic number.

52122722 is a deficient number, since it is larger than the sum of its proper divisors (26061364).

52122722 is a wasteful number, since it uses less digits than its factorization.

52122722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061363.

The product of its digits is 1120, while the sum is 23.

The square root of 52122722 is about 7219.6067759955. The cubic root of 52122722 is about 373.5445139885.

Adding to 52122722 its reverse (22722125), we get a palindrome (74844847).

The spelling of 52122722 in words is "fifty-two million, one hundred twenty-two thousand, seven hundred twenty-two".