2231598 has 32 divisors (see below), whose sum is σ = 4732416. Its totient is φ = 700128.

The previous prime is 2231591. The next prime is 2231599. The reversal of 2231598 is 8951322.

It is a happy number.

It is a super-3 number, since 3×2231598³ = 33340272510874257576, which contains 333 as substring.

Its product of digits (4320) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14136 + ... + 14292.

It is an arithmetic number, because the mean of its divisors is an integer number (147888).

2^2231598 is an apocalyptic number.

2231598 is an abundant number, since it is smaller than the sum of its proper divisors (2500818).

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

2231598 is a wasteful number, since it uses less digits than its factorization.

2231598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 4320, while the sum is 30.

The square root of 2231598 is about 1493.8534064626. The cubic root of 2231598 is about 130.6788551845.

The spelling of 2231598 in words is "two million, two hundred thirty-one thousand, five hundred ninety-eight".