52222403 has 4 divisors (see below), whose sum is σ = 52535280. Its totient is φ = 51909528.

The previous prime is 52222399. The next prime is 52222409. The reversal of 52222403 is 30422225.

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

It is a cyclic number.

It is not a de Polignac number, because 52222403 - 2² = 52222399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52222409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156188 + ... + 156521.

It is an arithmetic number, because the mean of its divisors is an integer number (13133820).

Almost surely, 2^52222403 is an apocalyptic number.

52222403 is a deficient number, since it is larger than the sum of its proper divisors (312877).

52222403 is a wasteful number, since it uses less digits than its factorization.

52222403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312876.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 52222403 is about 7226.5069708677. The cubic root of 52222403 is about 373.7824881249.

Adding to 52222403 its reverse (30422225), we get a palindrome (82644628).

It can be divided in two parts, 52222 and 403, that added together give a palindrome (52625).

The spelling of 52222403 in words is "fifty-two million, two hundred twenty-two thousand, four hundred three".