159220404 has 108 divisors (see below), whose sum is σ = 485669184. Its totient is φ = 45477936.

The previous prime is 159220403. The next prime is 159220429. The reversal of 159220404 is 404022951.

159220404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×159220404² = 50702274099846432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159220403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45957 + ... + 49299.

Almost surely, 2^159220404 is an apocalyptic number.

159220404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159220404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242834592).

159220404 is an abundant number, since it is smaller than the sum of its proper divisors (326448780).

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

159220404 is a wasteful number, since it uses less digits than its factorization.

159220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 159220404 is about 12618.2567734216. The cubic root of 159220404 is about 542.0003585642. Note that the first 3 decimals are identical.

The spelling of 159220404 in words is "one hundred fifty-nine million, two hundred twenty thousand, four hundred four".