22246661 has 8 divisors (see below), whose sum is σ = 22573824. Its totient is φ = 21921840.

The previous prime is 22246621. The next prime is 22246667. The reversal of 22246661 is 16664222.

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 22246661 - 2⁶ = 22246597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246667) 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, 27515 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (2821728).

Almost surely, 2^22246661 is an apocalyptic number.

It is an amenable number.

22246661 is a deficient number, since it is larger than the sum of its proper divisors (327163).

22246661 is a wasteful number, since it uses less digits than its factorization.

22246661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its digits is 6912, while the sum is 29.

The square root of 22246661 is about 4716.6366194567. The cubic root of 22246661 is about 281.2472463269.

The spelling of 22246661 in words is "twenty-two million, two hundred forty-six thousand, six hundred sixty-one".