22601573 has 8 divisors (see below), whose sum is σ = 23387136. Its totient is φ = 21819600.

The previous prime is 22601569. The next prime is 22601581. The reversal of 22601573 is 37510622.

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 22601573 - 2² = 22601569 is a prime.

It is a super-2 number, since 2×22601573² = 1021662204148658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22603573) 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, 19940 + ... + 21042.

It is an arithmetic number, because the mean of its divisors is an integer number (2923392).

Almost surely, 2^22601573 is an apocalyptic number.

It is an amenable number.

22601573 is a deficient number, since it is larger than the sum of its proper divisors (785563).

22601573 is a wasteful number, since it uses less digits than its factorization.

22601573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 22601573 is about 4754.1111682417. Note that the first 4 decimals coincide. The cubic root of 22601573 is about 282.7349881267.

The spelling of 22601573 in words is "twenty-two million, six hundred one thousand, five hundred seventy-three".