22661473 has 8 divisors (see below), whose sum is σ = 23683968. Its totient is φ = 21661584.

The previous prime is 22661461. The next prime is 22661491. The reversal of 22661473 is 37416622.

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 22661473 - 2²¹ = 20564321 is a prime.

It is a super-3 number, since 3×22661473³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22661413) 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, 3586 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (2960496).

Almost surely, 2^22661473 is an apocalyptic number.

It is an amenable number.

22661473 is a deficient number, since it is larger than the sum of its proper divisors (1022495).

22661473 is a wasteful number, since it uses less digits than its factorization.

22661473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303.

The product of its digits is 12096, while the sum is 31.

The square root of 22661473 is about 4760.4068103472. The cubic root of 22661473 is about 282.9845413524.

The spelling of 22661473 in words is "twenty-two million, six hundred sixty-one thousand, four hundred seventy-three".