2154208875422 has 8 divisors (see below), whose sum is σ = 3231876178872. Its totient is φ = 1076916815800.

The previous prime is 2154208875407. The next prime is 2154208875461. The reversal of 2154208875422 is 2245788024512.

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

It is a congruent number.

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, 93796604 + ... + 93819567.

It is an arithmetic number, because the mean of its divisors is an integer number (403984522359).

Almost surely, 2^{2154208875422} is an apocalyptic number.

2154208875422 is a deficient number, since it is larger than the sum of its proper divisors (1077667303450).

2154208875422 is a wasteful number, since it uses less digits than its factorization.

2154208875422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187621914.

The product of its (nonzero) digits is 2867200, while the sum is 50.

The spelling of 2154208875422 in words is "two trillion, one hundred fifty-four billion, two hundred eight million, eight hundred seventy-five thousand, four hundred twenty-two".