2801822257 has 8 divisors (see below), whose sum is σ = 3148536384. Its totient is φ = 2473849488.

The previous prime is 2801822249. The next prime is 2801822273. The reversal of 2801822257 is 7522281082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2801822257 - 2³ = 2801822249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2801823257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685023 + ... + 4685620.

It is an arithmetic number, because the mean of its divisors is an integer number (393567048).

Almost surely, 2^2801822257 is an apocalyptic number.

It is an amenable number.

2801822257 is a deficient number, since it is larger than the sum of its proper divisors (346714127).

2801822257 is a wasteful number, since it uses less digits than its factorization.

2801822257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370679.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 2801822257 is about 52932.2421308601. The cubic root of 2801822257 is about 1409.7654417599.

The spelling of 2801822257 in words is "two billion, eight hundred one million, eight hundred twenty-two thousand, two hundred fifty-seven".