28417447622 has 16 divisors (see below), whose sum is σ = 47509046640. Its totient is φ = 12669078528.

The previous prime is 28417447589. The next prime is 28417447637. The reversal of 28417447622 is 22674471482.

It is a super-2 number, since 2×28417447622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21994283 + ... + 21995574.

It is an arithmetic number, because the mean of its divisors is an integer number (2969315415).

Almost surely, 2^28417447622 is an apocalyptic number.

28417447622 is a deficient number, since it is larger than the sum of its proper divisors (19091599018).

28417447622 is a wasteful number, since it uses less digits than its factorization.

28417447622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43989895.

The product of its digits is 1204224, while the sum is 47.

The spelling of 28417447622 in words is "twenty-eight billion, four hundred seventeen million, four hundred forty-seven thousand, six hundred twenty-two".