228022542 has 24 divisors (see below), whose sum is σ = 538962840. Its totient is φ = 69097680.

The previous prime is 228022537. The next prime is 228022573. The reversal of 228022542 is 245220822.

228022542 is a `hidden beast` number, since 22 + 80 + 22 + 542 = 666.

It is a congruent number.

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, 575617 + ... + 576012.

It is an arithmetic number, because the mean of its divisors is an integer number (22456785).

Almost surely, 2^228022542 is an apocalyptic number.

228022542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228022542 is an abundant number, since it is smaller than the sum of its proper divisors (310940298).

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

228022542 is a wasteful number, since it uses less digits than its factorization.

228022542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151648 (or 1151645 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 228022542 is about 15100.4152923024. The cubic root of 228022542 is about 610.9316070498.

The spelling of 228022542 in words is "two hundred twenty-eight million, twenty-two thousand, five hundred forty-two".