169230220 has 12 divisors (see below), whose sum is σ = 355383504. Its totient is φ = 67692080.

The previous prime is 169230211. The next prime is 169230263. The reversal of 169230220 is 22032961.

It is a happy number.

169230220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×169230220² = 57277734722496800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230736 + ... + 4230775.

It is an arithmetic number, because the mean of its divisors is an integer number (29615292).

Almost surely, 2^169230220 is an apocalyptic number.

169230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169230220 is an abundant number, since it is smaller than the sum of its proper divisors (186153284).

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

169230220 is a wasteful number, since it uses less digits than its factorization.

169230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461520 (or 8461518 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 169230220 is about 13008.8516018902. The cubic root of 169230220 is about 553.1284196326.

The spelling of 169230220 in words is "one hundred sixty-nine million, two hundred thirty thousand, two hundred twenty".