2270021879 has 2 divisors, whose sum is σ = 2270021880. Its totient is φ = 2270021878.

The previous prime is 2270021837. The next prime is 2270021899. The reversal of 2270021879 is 9781200722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2270021879 - 2⁸ = 2270021623 is a prime.

It is a super-2 number, since 2×2270021879² = 10305998662277381282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2270021899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135010939 + 1135010940.

It is an arithmetic number, because the mean of its divisors is an integer number (1135010940).

Almost surely, 2^2270021879 is an apocalyptic number.

2270021879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2270021879 is an equidigital number, since it uses as much as digits as its factorization.

2270021879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 2270021879 is about 47644.7466044264. The cubic root of 2270021879 is about 1314.2460518327.

The spelling of 2270021879 in words is "two billion, two hundred seventy million, twenty-one thousand, eight hundred seventy-nine".