100561622 has 12 divisors (see below), whose sum is σ = 175469940. Its totient is φ = 43097796.

The previous prime is 100561619. The next prime is 100561639. The reversal of 100561622 is 226165001.

It is a super-2 number, since 2×100561622² = 20225279638541768, which 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 5 ways as a sum of consecutive naturals, for example, 512972 + ... + 513167.

It is an arithmetic number, because the mean of its divisors is an integer number (14622495).

Almost surely, 2^100561622 is an apocalyptic number.

100561622 is a deficient number, since it is larger than the sum of its proper divisors (74908318).

100561622 is a wasteful number, since it uses less digits than its factorization.

100561622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026155 (or 1026148 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 100561622 is about 10028.0417829205. The cubic root of 100561622 is about 465.0262011675.

The spelling of 100561622 in words is "one hundred million, five hundred sixty-one thousand, six hundred twenty-two".