49220231 has 2 divisors, whose sum is σ = 49220232. Its totient is φ = 49220230.

The previous prime is 49220179. The next prime is 49220243. The reversal of 49220231 is 13202294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49220231 - 2¹⁸ = 48958087 is a prime.

It is a super-2 number, since 2×49220231² = 4845262279386722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49220197 and 49220206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49220261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24610115 + 24610116.

It is an arithmetic number, because the mean of its divisors is an integer number (24610116).

Almost surely, 2^49220231 is an apocalyptic number.

49220231 is a deficient number, since it is larger than the sum of its proper divisors (1).

49220231 is an equidigital number, since it uses as much as digits as its factorization.

49220231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 49220231 is about 7015.7131497803. The cubic root of 49220231 is about 366.4779779393.

The spelling of 49220231 in words is "forty-nine million, two hundred twenty thousand, two hundred thirty-one".