100155422 has 16 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 47383128.

The previous prime is 100155383. The next prime is 100155437. The reversal of 100155422 is 224551001.

It is a super-2 number, since 2×100155422² = 20062217111996168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100155394 and 100155403.

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, 53303 + ... + 55149.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^100155422 is an apocalyptic number.

100155422 is a deficient number, since it is larger than the sum of its proper divisors (58181218).

100155422 is a wasteful number, since it uses less digits than its factorization.

100155422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 100155422 is about 10007.7680828444. The cubic root of 100155422 is about 464.3992272284.

The spelling of 100155422 in words is "one hundred million, one hundred fifty-five thousand, four hundred twenty-two".