622266461 has 4 divisors (see below), whose sum is σ = 625425372. Its totient is φ = 619107552.

The previous prime is 622266457. The next prime is 622266493. The reversal of 622266461 is 164662226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164662226 = 2 ⋅82331113.

It can be written as a sum of positive squares in 2 ways, for example, as 473280025 + 148986436 = 21755^2 + 12206^2 .

It is a cyclic number.

It is not a de Polignac number, because 622266461 - 2² = 622266457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622266401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579160 + ... + 1579553.

It is an arithmetic number, because the mean of its divisors is an integer number (156356343).

Almost surely, 2^622266461 is an apocalyptic number.

It is an amenable number.

622266461 is a deficient number, since it is larger than the sum of its proper divisors (3158911).

622266461 is a wasteful number, since it uses less digits than its factorization.

622266461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158910.

The product of its digits is 41472, while the sum is 35.

The square root of 622266461 is about 24945.2693110337. The cubic root of 622266461 is about 853.7396754373.

The spelling of 622266461 in words is "six hundred twenty-two million, two hundred sixty-six thousand, four hundred sixty-one".