22727801 has 4 divisors (see below), whose sum is σ = 22743552. Its totient is φ = 22712052.

The previous prime is 22727797. The next prime is 22727813. The reversal of 22727801 is 10872722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22727801 - 2² = 22727797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22727821) 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, 5465 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (5685888).

Almost surely, 2^22727801 is an apocalyptic number.

It is an amenable number.

22727801 is a deficient number, since it is larger than the sum of its proper divisors (15751).

22727801 is a wasteful number, since it uses less digits than its factorization.

22727801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 22727801 is about 4767.3683516171. The cubic root of 22727801 is about 283.2603621386.

The spelling of 22727801 in words is "twenty-two million, seven hundred twenty-seven thousand, eight hundred one".