22419561 has 8 divisors (see below), whose sum is σ = 29943520. Its totient is φ = 14920992.

The previous prime is 22419547. The next prime is 22419619. The reversal of 22419561 is 16591422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22419561 - 2¹⁴ = 22403177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22419161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (3742940).

Almost surely, 2^22419561 is an apocalyptic number.

It is an amenable number.

22419561 is a deficient number, since it is larger than the sum of its proper divisors (7523959).

22419561 is a wasteful number, since it uses less digits than its factorization.

22419561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695.

The product of its digits is 4320, while the sum is 30.

The square root of 22419561 is about 4734.9298833246. The cubic root of 22419561 is about 281.9739802963.

The spelling of 22419561 in words is "twenty-two million, four hundred nineteen thousand, five hundred sixty-one".