622462647 has 16 divisors (see below), whose sum is σ = 841593600. Its totient is φ = 409191552.

The previous prime is 622462637. The next prime is 622462649. The reversal of 622462647 is 746264226.

It is not a de Polignac number, because 622462647 - 2⁸ = 622462391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622462649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62848 + ... + 72074.

It is an arithmetic number, because the mean of its divisors is an integer number (52599600).

Almost surely, 2^622462647 is an apocalyptic number.

622462647 is a deficient number, since it is larger than the sum of its proper divisors (219130953).

622462647 is a wasteful number, since it uses less digits than its factorization.

622462647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its digits is 193536, while the sum is 39.

The square root of 622462647 is about 24949.2013299023. The cubic root of 622462647 is about 853.8293873659.

Adding to 622462647 its sum of digits (39), we get a triangular number (622462686 = T₃₅₂₈₃).

The spelling of 622462647 in words is "six hundred twenty-two million, four hundred sixty-two thousand, six hundred forty-seven".