2222761601 has 2 divisors, whose sum is σ = 2222761602. Its totient is φ = 2222761600.

The previous prime is 2222761573. The next prime is 2222761657. The reversal of 2222761601 is 1061672222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1623687025 + 599074576 = 40295^2 + 24476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222761601 - 2¹⁸ = 2222499457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222761001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111380800 + 1111380801.

It is an arithmetic number, because the mean of its divisors is an integer number (1111380801).

Almost surely, 2^2222761601 is an apocalyptic number.

It is an amenable number.

2222761601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222761601 is an equidigital number, since it uses as much as digits as its factorization.

2222761601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2222761601 is about 47146.1727078668. The cubic root of 2222761601 is about 1305.0614516748.

The spelling of 2222761601 in words is "two billion, two hundred twenty-two million, seven hundred sixty-one thousand, six hundred one".