1622736494 has 8 divisors (see below), whose sum is σ = 2490711960. Its totient is φ = 792499176.

The previous prime is 1622736463. The next prime is 1622736497. The reversal of 1622736494 is 4946372261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622736497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9434429 + ... + 9434600.

It is an arithmetic number, because the mean of its divisors is an integer number (311338995).

Almost surely, 2^1622736494 is an apocalyptic number.

1622736494 is a deficient number, since it is larger than the sum of its proper divisors (867975466).

1622736494 is a wasteful number, since it uses less digits than its factorization.

1622736494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18869074.

The product of its digits is 435456, while the sum is 44.

The square root of 1622736494 is about 40283.2036213606. The cubic root of 1622736494 is about 1175.1212173721.

The spelling of 1622736494 in words is "one billion, six hundred twenty-two million, seven hundred thirty-six thousand, four hundred ninety-four".