228100742 has 4 divisors (see below), whose sum is σ = 342151116. Its totient is φ = 114050370.

The previous prime is 228100727. The next prime is 228100787. The reversal of 228100742 is 247001822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57025184 + ... + 57025187.

It is an arithmetic number, because the mean of its divisors is an integer number (85537779).

Almost surely, 2^228100742 is an apocalyptic number.

228100742 is a deficient number, since it is larger than the sum of its proper divisors (114050374).

228100742 is a wasteful number, since it uses less digits than its factorization.

228100742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114050373.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 228100742 is about 15103.0044030981. The cubic root of 228100742 is about 611.0014384370.

The spelling of 228100742 in words is "two hundred twenty-eight million, one hundred thousand, seven hundred forty-two".