9022661251 has 4 divisors (see below), whose sum is σ = 9024808104. Its totient is φ = 9020514400.

The previous prime is 9022661231. The next prime is 9022661261. The reversal of 9022661251 is 1521662209.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9022661251 - 2²¹ = 9020564099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9022661231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067110 + ... + 1075531.

It is an arithmetic number, because the mean of its divisors is an integer number (2256202026).

Almost surely, 2^9022661251 is an apocalyptic number.

9022661251 is a deficient number, since it is larger than the sum of its proper divisors (2146853).

9022661251 is a wasteful number, since it uses less digits than its factorization.

9022661251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146852.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 9022661251 is about 94987.6899971781. The cubic root of 9022661251 is about 2081.8281858024.

The spelling of 9022661251 in words is "nine billion, twenty-two million, six hundred sixty-one thousand, two hundred fifty-one".