2297189042 has 4 divisors (see below), whose sum is σ = 3445783566. Its totient is φ = 1148594520.

The previous prime is 2297189033. The next prime is 2297189071. The reversal of 2297189042 is 2409817922.

It is a Cunningham number, because it is equal to 47929²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 2297189041 + 1 = 47929^2 + 1^2 .

It is a super-3 number, since 3×2297189042³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2297188984 and 2297189002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574297259 + ... + 574297262.

Almost surely, 2^2297189042 is an apocalyptic number.

2297189042 is a deficient number, since it is larger than the sum of its proper divisors (1148594524).

2297189042 is a wasteful number, since it uses less digits than its factorization.

2297189042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148594523.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2297189042 is about 47929.0000104321. Note that the first 4 decimals coincide. The cubic root of 2297189042 is about 1319.4681515944.

The spelling of 2297189042 in words is "two billion, two hundred ninety-seven million, one hundred eighty-nine thousand, forty-two".