22221151050344 has 16 divisors (see below), whose sum is σ = 41672007864900. Its totient is φ = 11108615619712.

The previous prime is 22221151050323. The next prime is 22221151050437. The reversal of 22221151050344 is 44305015112222.

It can be written as a sum of positive squares in 2 ways, for example, as 21599163300100 + 621987750244 = 4647490^2 + 788662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22221151050344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244939997 + ... + 245030700.

Almost surely, 2^{22221151050344} is an apocalyptic number.

It is an amenable number.

22221151050344 is a deficient number, since it is larger than the sum of its proper divisors (19450856814556).

22221151050344 is a wasteful number, since it uses less digits than its factorization.

22221151050344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489976372 (or 489976368 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 22221151050344 its reverse (44305015112222), we get a palindrome (66526166162566).

The spelling of 22221151050344 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred fifty-one million, fifty thousand, three hundred forty-four".