22014431 has 2 divisors, whose sum is σ = 22014432. Its totient is φ = 22014430.

The previous prime is 22014401. The next prime is 22014449. The reversal of 22014431 is 13441022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22014431 - 2⁶ = 22014367 is a prime.

It is a super-2 number, since 2×22014431² = 969270344507522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22014401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11007215 + 11007216.

It is an arithmetic number, because the mean of its divisors is an integer number (11007216).

Almost surely, 2^22014431 is an apocalyptic number.

22014431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22014431 is an equidigital number, since it uses as much as digits as its factorization.

22014431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22014431 is about 4691.9538574031. The cubic root of 22014431 is about 280.2651866888.

Adding to 22014431 its reverse (13441022), we get a palindrome (35455453).

The spelling of 22014431 in words is "twenty-two million, fourteen thousand, four hundred thirty-one".