229748490 has 24 divisors (see below), whose sum is σ = 597346308. Its totient is φ = 61266240.

The previous prime is 229748479. The next prime is 229748507. The reversal of 229748490 is 94847922.

It can be written as a sum of positive squares in 2 ways, for example, as 217238121 + 12510369 = 14739^2 + 3537^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276291 + ... + 1276470.

Almost surely, 2^229748490 is an apocalyptic number.

229748490 is an abundant number, since it is smaller than the sum of its proper divisors (367597818).

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

229748490 is a wasteful number, since it uses less digits than its factorization.

229748490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552774 (or 2552771 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 229748490 is about 15157.4565808384. The cubic root of 229748490 is about 612.4691551870.

The spelling of 229748490 in words is "two hundred twenty-nine million, seven hundred forty-eight thousand, four hundred ninety".