22419372361 has 3 divisors (see below), whose sum is σ = 22419522093. Its totient is φ = 22419222630.

The previous prime is 22419372359. The next prime is 22419372427. The reversal of 22419372361 is 16327391422.

The square root of 22419372361 is 149731.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22419372361 - 2¹ = 22419372359 is a prime.

It is a super-2 number, since 2×22419372361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22419372341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 74866 + ... + 224596.

It is an arithmetic number, because the mean of its divisors is an integer number (7473174031).

Almost surely, 2^22419372361 is an apocalyptic number.

22419372361 is the 149731-st square number.

22419372361 is the 74866-th centered octagonal number.

It is an amenable number.

22419372361 is a deficient number, since it is larger than the sum of its proper divisors (149732).

22419372361 is an frugal number, since it uses more digits than its factorization.

22419372361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299462 (or 149731 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The spelling of 22419372361 in words is "twenty-two billion, four hundred nineteen million, three hundred seventy-two thousand, three hundred sixty-one".