462222991 has 2 divisors, whose sum is σ = 462222992. Its totient is φ = 462222990.

The previous prime is 462222947. The next prime is 462223001. The reversal of 462222991 is 199222264.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 462222991 - 2¹⁹ = 461698703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 462222991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462222091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231111495 + 231111496.

It is an arithmetic number, because the mean of its divisors is an integer number (231111496).

Almost surely, 2^462222991 is an apocalyptic number.

462222991 is a deficient number, since it is larger than the sum of its proper divisors (1).

462222991 is an equidigital number, since it uses as much as digits as its factorization.

462222991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 462222991 is about 21499.3718745455. The cubic root of 462222991 is about 773.1857616790.

It can be divided in two parts, 4622229 and 91, that added together give a triangular number (4622320 = T₃₀₄₀).

The spelling of 462222991 in words is "four hundred sixty-two million, two hundred twenty-two thousand, nine hundred ninety-one".