223064490 has 64 divisors (see below), whose sum is σ = 599840640. Its totient is φ = 52611840.

The previous prime is 223064489. The next prime is 223064519. The reversal of 223064490 is 94460322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3076 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (9372510).

Almost surely, 2^223064490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223064490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299920320).

223064490 is an abundant number, since it is smaller than the sum of its proper divisors (376776150).

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

223064490 is a wasteful number, since it uses less digits than its factorization.

223064490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18327.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 223064490 is about 14935.3436518883. The cubic root of 223064490 is about 606.4711505504.

It can be divided in two parts, 22306 and 4490, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 223064490 in words is "two hundred twenty-three million, sixty-four thousand, four hundred ninety".