2154422662 has 32 divisors (see below), whose sum is σ = 3715746048. Its totient is φ = 917732256.

The previous prime is 2154422659. The next prime is 2154422687. The reversal of 2154422662 is 2662244512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604693 + ... + 2605519.

It is an arithmetic number, because the mean of its divisors is an integer number (116117064).

Almost surely, 2^2154422662 is an apocalyptic number.

2154422662 is a deficient number, since it is larger than the sum of its proper divisors (1561323386).

2154422662 is a wasteful number, since it uses less digits than its factorization.

2154422662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its digits is 46080, while the sum is 34.

The square root of 2154422662 is about 46415.7587679012. The cubic root of 2154422662 is about 1291.5472614719.

The spelling of 2154422662 in words is "two billion, one hundred fifty-four million, four hundred twenty-two thousand, six hundred sixty-two".