53222431 has 2 divisors, whose sum is σ = 53222432. Its totient is φ = 53222430.

The previous prime is 53222423. The next prime is 53222459. The reversal of 53222431 is 13422235.

53222431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53222431 - 2³ = 53222423 is a prime.

It is a super-2 number, since 2×53222431² = 5665254323099522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26611215 + 26611216.

It is an arithmetic number, because the mean of its divisors is an integer number (26611216).

Almost surely, 2^53222431 is an apocalyptic number.

53222431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53222431 is an equidigital number, since it uses as much as digits as its factorization.

53222431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 53222431 is about 7295.3705183493. The cubic root of 53222431 is about 376.1533227693.

Adding to 53222431 its reverse (13422235), we get a palindrome (66644666).

The spelling of 53222431 in words is "fifty-three million, two hundred twenty-two thousand, four hundred thirty-one".