2290878001 has 2 divisors, whose sum is σ = 2290878002. Its totient is φ = 2290878000.

The previous prime is 2290877983. The next prime is 2290878047. The reversal of 2290878001 is 1008780922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2043130401 + 247747600 = 45201^2 + 15740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290878001 - 2⁷ = 2290877873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2290878091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145439000 + 1145439001.

It is an arithmetic number, because the mean of its divisors is an integer number (1145439001).

Almost surely, 2^2290878001 is an apocalyptic number.

It is an amenable number.

2290878001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290878001 is an equidigital number, since it uses as much as digits as its factorization.

2290878001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 2290878001 is about 47863.1173347495. The cubic root of 2290878001 is about 1318.2587234821.

The spelling of 2290878001 in words is "two billion, two hundred ninety million, eight hundred seventy-eight thousand, one".