2222825381 has 4 divisors (see below), whose sum is σ = 2540371872. Its totient is φ = 1905278892.

The previous prime is 2222825309. The next prime is 2222825393. The reversal of 2222825381 is 1835282222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2222825381 - 2¹⁴ = 2222808997 is a prime.

It is a super-2 number, since 2×2222825381² = 9881905348835590322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222825081) 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, 158773235 + ... + 158773248.

It is an arithmetic number, because the mean of its divisors is an integer number (635092968).

Almost surely, 2^2222825381 is an apocalyptic number.

It is an amenable number.

2222825381 is a deficient number, since it is larger than the sum of its proper divisors (317546491).

2222825381 is an equidigital number, since it uses as much as digits as its factorization.

2222825381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317546490.

The product of its digits is 30720, while the sum is 35.

The square root of 2222825381 is about 47146.8491099883. The cubic root of 2222825381 is about 1305.0739340486.

The spelling of 2222825381 in words is "two billion, two hundred twenty-two million, eight hundred twenty-five thousand, three hundred eighty-one".