22207258441 has 3 divisors (see below), whose sum is σ = 22207407463. Its totient is φ = 22207109420.

The previous prime is 22207258421. The next prime is 22207258499. The reversal of 22207258441 is 14485270222.

The square root of 22207258441 is 149021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14485270222 = 2 ⋅7242635111.

It can be written as a sum of positive squares in only one way, i.e., 22192358841 + 14899600 = 148971^2 + 3860^2 .

It is not a de Polignac number, because 22207258441 - 2¹³ = 22207250249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22207258441.

It is not an unprimeable number, because it can be changed into a prime (22207258421) 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, 74511 + ... + 223531.

Almost surely, 2^22207258441 is an apocalyptic number.

22207258441 is the 149021-st square number.

22207258441 is the 74511-st centered octagonal number.

It is an amenable number.

22207258441 is a deficient number, since it is larger than the sum of its proper divisors (149022).

22207258441 is an frugal number, since it uses more digits than its factorization.

22207258441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298042 (or 149021 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 22207258441 in words is "twenty-two billion, two hundred seven million, two hundred fifty-eight thousand, four hundred forty-one".