214225831 has 2 divisors, whose sum is σ = 214225832. Its totient is φ = 214225830.

The previous prime is 214225811. The next prime is 214225883. The reversal of 214225831 is 138522412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214225831 - 2¹³ = 214217639 is a prime.

It is a super-2 number, since 2×214225831² = 91785413335281122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214225831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214225811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107112915 + 107112916.

It is an arithmetic number, because the mean of its divisors is an integer number (107112916).

Almost surely, 2^214225831 is an apocalyptic number.

214225831 is a deficient number, since it is larger than the sum of its proper divisors (1).

214225831 is an equidigital number, since it uses as much as digits as its factorization.

214225831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 214225831 is about 14636.4555477069. The cubic root of 214225831 is about 598.3527325814.

The spelling of 214225831 in words is "two hundred fourteen million, two hundred twenty-five thousand, eight hundred thirty-one".