869221230 has 16 divisors (see below), whose sum is σ = 2086131024. Its totient is φ = 231792320.

The previous prime is 869221201. The next prime is 869221231. The reversal of 869221230 is 32122968.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 869221191 and 869221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14486991 + ... + 14487050.

It is an arithmetic number, because the mean of its divisors is an integer number (130383189).

Almost surely, 2^869221230 is an apocalyptic number.

869221230 is an abundant number, since it is smaller than the sum of its proper divisors (1216909794).

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

869221230 is a wasteful number, since it uses less digits than its factorization.

869221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28974051.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 869221230 is about 29482.5580640486. The cubic root of 869221230 is about 954.3553409962.

The spelling of 869221230 in words is "eight hundred sixty-nine million, two hundred twenty-one thousand, two hundred thirty".