228519370 has 8 divisors (see below), whose sum is σ = 411334884. Its totient is φ = 91407744.

The previous prime is 228519353. The next prime is 228519371. The reversal of 228519370 is 73915822.

It can be written as a sum of positive squares in 2 ways, for example, as 194518809 + 34000561 = 13947^2 + 5831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228519370² = 104442204930393800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228519371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425959 + ... + 11425978.

Almost surely, 2^228519370 is an apocalyptic number.

228519370 is a deficient number, since it is larger than the sum of its proper divisors (182815514).

228519370 is a wasteful number, since it uses less digits than its factorization.

228519370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22851944.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 228519370 is about 15116.8571469072. The cubic root of 228519370 is about 611.3749955916.

The spelling of 228519370 in words is "two hundred twenty-eight million, five hundred nineteen thousand, three hundred seventy".