2225072042 has 4 divisors (see below), whose sum is σ = 3337608066. Its totient is φ = 1112536020.

The previous prime is 2225072041. The next prime is 2225072099. The reversal of 2225072042 is 2402705222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402705222 = 2 ⋅1201352611.

It can be written as a sum of positive squares in only one way, i.e., 2016818281 + 208253761 = 44909^2 + 14431^2 .

It is not an unprimeable number, because it can be changed into a prime (2225072041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556268009 + ... + 556268012.

Almost surely, 2^2225072042 is an apocalyptic number.

2225072042 is a deficient number, since it is larger than the sum of its proper divisors (1112536024).

2225072042 is a wasteful number, since it uses less digits than its factorization.

2225072042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112536023.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2225072042 is about 47170.6692977744. The cubic root of 2225072042 is about 1305.5134754622.

Adding to 2225072042 its reverse (2402705222), we get a palindrome (4627777264).

The spelling of 2225072042 in words is "two billion, two hundred twenty-five million, seventy-two thousand, forty-two".