2225114021 has 4 divisors (see below), whose sum is σ = 2396276652. Its totient is φ = 2053951392.

The previous prime is 2225114011. The next prime is 2225114053. The reversal of 2225114021 is 1204115222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1204115222 = 2 ⋅602057611.

It can be written as a sum of positive squares in 2 ways, for example, as 565773796 + 1659340225 = 23786^2 + 40735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225114021 is a prime.

It is a super-2 number, since 2×2225114021² = 9902264812901576882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2225113984 and 2225114002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225114011) 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, 85581296 + ... + 85581321.

It is an arithmetic number, because the mean of its divisors is an integer number (599069163).

Almost surely, 2^2225114021 is an apocalyptic number.

It is an amenable number.

2225114021 is a deficient number, since it is larger than the sum of its proper divisors (171162631).

2225114021 is a wasteful number, since it uses less digits than its factorization.

2225114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171162630.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2225114021 is about 47171.1142649821. The cubic root of 2225114021 is about 1305.5216855044.

Adding to 2225114021 its reverse (1204115222), we get a palindrome (3429229243).

The spelling of 2225114021 in words is "two billion, two hundred twenty-five million, one hundred fourteen thousand, twenty-one".