155422668 has 12 divisors (see below), whose sum is σ = 362652920. Its totient is φ = 51807552.

The previous prime is 155422667. The next prime is 155422669. The reversal of 155422668 is 866224551.

155422668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155422667) and next prime (155422669).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (155422667) 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, 6475933 + ... + 6475956.

Almost surely, 2^155422668 is an apocalyptic number.

It is an amenable number.

155422668 is an abundant number, since it is smaller than the sum of its proper divisors (207230252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155422668 is a wasteful number, since it uses less digits than its factorization.

155422668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951896 (or 12951894 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 155422668 is about 12466.8627970312. The cubic root of 155422668 is about 537.6563589095.

The spelling of 155422668 in words is "one hundred fifty-five million, four hundred twenty-two thousand, six hundred sixty-eight".