22157172077458 has 8 divisors (see below), whose sum is σ = 36257190672240. Its totient is φ = 10071441853380.

The previous prime is 22157172077389. The next prime is 22157172077473. The reversal of 22157172077458 is 85477027175122.

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

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, 503572092648 + ... + 503572092691.

It is an arithmetic number, because the mean of its divisors is an integer number (4532148834030).

Almost surely, 2^{22157172077458} is an apocalyptic number.

22157172077458 is a deficient number, since it is larger than the sum of its proper divisors (14100018594782).

22157172077458 is a wasteful number, since it uses less digits than its factorization.

22157172077458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007144185352.

The product of its (nonzero) digits is 15366400, while the sum is 58.

The spelling of 22157172077458 in words is "twenty-two trillion, one hundred fifty-seven billion, one hundred seventy-two million, seventy-seven thousand, four hundred fifty-eight".