228450442 has 32 divisors (see below), whose sum is σ = 384943104. Its totient is φ = 100780800.

The previous prime is 228450427. The next prime is 228450449. The reversal of 228450442 is 244054822.

228450442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228450449) 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, 209623 + ... + 210709.

It is an arithmetic number, because the mean of its divisors is an integer number (12029472).

Almost surely, 2^228450442 is an apocalyptic number.

228450442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228450442 is a deficient number, since it is larger than the sum of its proper divisors (156492662).

228450442 is a wasteful number, since it uses less digits than its factorization.

228450442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 228450442 is about 15114.5771359969. The cubic root of 228450442 is about 611.3135199956.

The spelling of 228450442 in words is "two hundred twenty-eight million, four hundred fifty thousand, four hundred forty-two".