622268642 has 18 divisors (see below), whose sum is σ = 966182049. Its totient is φ = 300568560.

The previous prime is 622268623. The next prime is 622268653. The reversal of 622268642 is 246862226.

It can be written as a sum of positive squares in 2 ways, for example, as 542004961 + 80263681 = 23281^2 + 8959^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17639.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622268596 and 622268605.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1093334 + ... + 1093902.

Almost surely, 2^622268642 is an apocalyptic number.

622268642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

622268642 is a deficient number, since it is larger than the sum of its proper divisors (343913407).

622268642 is an frugal number, since it uses more digits than its factorization.

622268642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 602 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 622268642 is about 24945.3130266990. The cubic root of 622268642 is about 853.7406728686.

The spelling of 622268642 in words is "six hundred twenty-two million, two hundred sixty-eight thousand, six hundred forty-two".