2225662042 has 4 divisors (see below), whose sum is σ = 3338493066. Its totient is φ = 1112831020.

The previous prime is 2225662039. The next prime is 2225662051. The reversal of 2225662042 is 2402665222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402665222 = 2 ⋅1201332611.

It can be written as a sum of positive squares in only one way, i.e., 1891467081 + 334194961 = 43491^2 + 18281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2225661995 and 2225662013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556415509 + ... + 556415512.

Almost surely, 2^2225662042 is an apocalyptic number.

2225662042 is a deficient number, since it is larger than the sum of its proper divisors (1112831024).

2225662042 is a wasteful number, since it uses less digits than its factorization.

2225662042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112831023.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2225662042 is about 47176.9227695067. The cubic root of 2225662042 is about 1305.6288552291.

The spelling of 2225662042 in words is "two billion, two hundred twenty-five million, six hundred sixty-two thousand, forty-two".