462623221 has 2 divisors, whose sum is σ = 462623222. Its totient is φ = 462623220.

The previous prime is 462623179. The next prime is 462623237. The reversal of 462623221 is 122326264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341843121 + 120780100 = 18489^2 + 10990^2 .

It is a cyclic number.

It is not a de Polignac number, because 462623221 - 2⁷ = 462623093 is a prime.

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 462623221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462623251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231311610 + 231311611.

It is an arithmetic number, because the mean of its divisors is an integer number (231311611).

Almost surely, 2^462623221 is an apocalyptic number.

It is an amenable number.

462623221 is a deficient number, since it is larger than the sum of its proper divisors (1).

462623221 is an equidigital number, since it uses as much as digits as its factorization.

462623221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 462623221 is about 21508.6778068760. The cubic root of 462623221 is about 773.4088595273.

Adding to 462623221 its reverse (122326264), we get a palindrome (584949485).

The spelling of 462623221 in words is "four hundred sixty-two million, six hundred twenty-three thousand, two hundred twenty-one".