62220281 has 2 divisors, whose sum is σ = 62220282. Its totient is φ = 62220280.

The previous prime is 62220259. The next prime is 62220293. The reversal of 62220281 is 18202226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 12996025 = 7016^2 + 3605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62220281 is a prime.

It is a super-2 number, since 2×62220281² = 7742726735437922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (62220181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31110140 + 31110141.

It is an arithmetic number, because the mean of its divisors is an integer number (31110141).

Almost surely, 2^62220281 is an apocalyptic number.

It is an amenable number.

62220281 is a deficient number, since it is larger than the sum of its proper divisors (1).

62220281 is an equidigital number, since it uses as much as digits as its factorization.

62220281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 62220281 is about 7887.9833290899. The cubic root of 62220281 is about 396.2573425913.

The spelling of 62220281 in words is "sixty-two million, two hundred twenty thousand, two hundred eighty-one".