1622566494 has 24 divisors (see below), whose sum is σ = 3517399080. Its totient is φ = 540572688.

The previous prime is 1622566483. The next prime is 1622566499. The reversal of 1622566494 is 4946652261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622566499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13377 + ... + 58515.

It is an arithmetic number, because the mean of its divisors is an integer number (146558295).

Almost surely, 2^1622566494 is an apocalyptic number.

1622566494 is an abundant number, since it is smaller than the sum of its proper divisors (1894832586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622566494 is a wasteful number, since it uses less digits than its factorization.

1622566494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144 (or 47141 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 1622566494 is about 40281.0935055145. The cubic root of 1622566494 is about 1175.0801801932.

The spelling of 1622566494 in words is "one billion, six hundred twenty-two million, five hundred sixty-six thousand, four hundred ninety-four".