232022621 has 2 divisors, whose sum is σ = 232022622. Its totient is φ = 232022620.

The previous prime is 232022537. The next prime is 232022639. The reversal of 232022621 is 126220232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221712100 + 10310521 = 14890^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 232022621 - 2¹⁴ = 232006237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232022593 and 232022602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232022521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116011310 + 116011311.

It is an arithmetic number, because the mean of its divisors is an integer number (116011311).

Almost surely, 2^232022621 is an apocalyptic number.

It is an amenable number.

232022621 is a deficient number, since it is larger than the sum of its proper divisors (1).

232022621 is an equidigital number, since it uses as much as digits as its factorization.

232022621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 232022621 is about 15232.2887643322. The cubic root of 232022621 is about 614.4833354303.

Adding to 232022621 its reverse (126220232), we get a palindrome (358242853).

The spelling of 232022621 in words is "two hundred thirty-two million, twenty-two thousand, six hundred twenty-one".