228510622 has 4 divisors (see below), whose sum is σ = 342765936. Its totient is φ = 114255310.

The previous prime is 228510619. The next prime is 228510629. The reversal of 228510622 is 226015822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226015822 = 2 ⋅113007911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228510629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57127654 + ... + 57127657.

It is an arithmetic number, because the mean of its divisors is an integer number (85691484).

Almost surely, 2^228510622 is an apocalyptic number.

228510622 is a deficient number, since it is larger than the sum of its proper divisors (114255314).

228510622 is a wasteful number, since it uses less digits than its factorization.

228510622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114255313.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 228510622 is about 15116.5677982801. The cubic root of 228510622 is about 611.3671940987.

The spelling of 228510622 in words is "two hundred twenty-eight million, five hundred ten thousand, six hundred twenty-two".