22244691358 has 8 divisors (see below), whose sum is σ = 33367670352. Its totient is φ = 11122134576.

The previous prime is 22244691349. The next prime is 22244691361. The reversal of 22244691358 is 85319644222.

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

It is a super-2 number, since 2×22244691358² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147466 + ... + 257362.

It is an arithmetic number, because the mean of its divisors is an integer number (4170958794).

Almost surely, 2^22244691358 is an apocalyptic number.

22244691358 is a deficient number, since it is larger than the sum of its proper divisors (11122978994).

22244691358 is a wasteful number, since it uses less digits than its factorization.

22244691358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211106.

The product of its digits is 829440, while the sum is 46.

The spelling of 22244691358 in words is "twenty-two billion, two hundred forty-four million, six hundred ninety-one thousand, three hundred fifty-eight".