2251026722 has 16 divisors (see below), whose sum is σ = 3865274880. Its totient is φ = 963132768.

The previous prime is 2251026709. The next prime is 2251026727. The reversal of 2251026722 is 2276201522.

It is not an unprimeable number, because it can be changed into a prime (2251026727) 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, 123947 + ... + 140942.

It is an arithmetic number, because the mean of its divisors is an integer number (241579680).

Almost surely, 2^2251026722 is an apocalyptic number.

2251026722 is a deficient number, since it is larger than the sum of its proper divisors (1614248158).

2251026722 is a wasteful number, since it uses less digits than its factorization.

2251026722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265505.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2251026722 is about 47444.9862683087. The cubic root of 2251026722 is about 1310.5699833018.

The spelling of 2251026722 in words is "two billion, two hundred fifty-one million, twenty-six thousand, seven hundred twenty-two".