225377242 has 4 divisors (see below), whose sum is σ = 338065866. Its totient is φ = 112688620.

The previous prime is 225377219. The next prime is 225377261. The reversal of 225377242 is 242773522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242773522 = 2 ⋅121386761.

It can be written as a sum of positive squares in only one way, i.e., 186076881 + 39300361 = 13641^2 + 6269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225377198 and 225377207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56344309 + ... + 56344312.

Almost surely, 2^225377242 is an apocalyptic number.

225377242 is a deficient number, since it is larger than the sum of its proper divisors (112688624).

225377242 is a wasteful number, since it uses less digits than its factorization.

225377242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112688623.

The product of its digits is 47040, while the sum is 34.

The square root of 225377242 is about 15012.5694669500. The cubic root of 225377242 is about 608.5599300634.

The spelling of 225377242 in words is "two hundred twenty-five million, three hundred seventy-seven thousand, two hundred forty-two".