2219952481 has 2 divisors, whose sum is σ = 2219952482. Its totient is φ = 2219952480.

The previous prime is 2219952437. The next prime is 2219952487. The reversal of 2219952481 is 1842599122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2207590225 + 12362256 = 46985^2 + 3516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219952481 - 2⁹ = 2219951969 is a prime.

It is a super-2 number, since 2×2219952481² = 9856378035796110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2219952487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109976240 + 1109976241.

It is an arithmetic number, because the mean of its divisors is an integer number (1109976241).

Almost surely, 2^2219952481 is an apocalyptic number.

It is an amenable number.

2219952481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219952481 is an equidigital number, since it uses as much as digits as its factorization.

2219952481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 2219952481 is about 47116.3716875568. The cubic root of 2219952481 is about 1304.5114422181.

The spelling of 2219952481 in words is "two billion, two hundred nineteen million, nine hundred fifty-two thousand, four hundred eighty-one".