622261151 has 2 divisors, whose sum is σ = 622261152. Its totient is φ = 622261150.

The previous prime is 622261147. The next prime is 622261169. The reversal of 622261151 is 151162226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622261151 - 2² = 622261147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622261151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622261121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311130575 + 311130576.

It is an arithmetic number, because the mean of its divisors is an integer number (311130576).

Almost surely, 2^622261151 is an apocalyptic number.

622261151 is a deficient number, since it is larger than the sum of its proper divisors (1).

622261151 is an equidigital number, since it uses as much as digits as its factorization.

622261151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 622261151 is about 24945.1628778006. The cubic root of 622261151 is about 853.7372470186.

The spelling of 622261151 in words is "six hundred twenty-two million, two hundred sixty-one thousand, one hundred fifty-one".