228667450 has 24 divisors (see below), whose sum is σ = 463988160. Its totient is φ = 83151600.

The previous prime is 228667447. The next prime is 228667487. The reversal of 228667450 is 54766822.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 207330 + ... + 208429.

It is an arithmetic number, because the mean of its divisors is an integer number (19332840).

Almost surely, 2^228667450 is an apocalyptic number.

228667450 is an abundant number, since it is smaller than the sum of its proper divisors (235320710).

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

228667450 is a wasteful number, since it uses less digits than its factorization.

228667450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415782 (or 415777 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 228667450 is about 15121.7541971823. The cubic root of 228667450 is about 611.5070235847.

The spelling of 228667450 in words is "two hundred twenty-eight million, six hundred sixty-seven thousand, four hundred fifty".