22444601 has 4 divisors (see below), whose sum is σ = 22562304. Its totient is φ = 22326900.

The previous prime is 22444577. The next prime is 22444661. The reversal of 22444601 is 10644422.

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 a de Polignac number, because none of the positive numbers 2^k-22444601 is a prime.

It is a super-2 number, since 2×22444601² = 1007520228098402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22444661) 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, 58565 + ... + 58946.

It is an arithmetic number, because the mean of its divisors is an integer number (5640576).

Almost surely, 2^22444601 is an apocalyptic number.

It is an amenable number.

22444601 is a deficient number, since it is larger than the sum of its proper divisors (117703).

22444601 is a wasteful number, since it uses less digits than its factorization.

22444601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117702.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22444601 is about 4737.5733239708. The cubic root of 22444601 is about 282.0789184419.

The spelling of 22444601 in words is "twenty-two million, four hundred forty-four thousand, six hundred one".