2154056422 has 16 divisors (see below), whose sum is σ = 3762342432. Its totient is φ = 905748480.

The previous prime is 2154056419. The next prime is 2154056441. The reversal of 2154056422 is 2246504512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450779 + ... + 1452262.

It is an arithmetic number, because the mean of its divisors is an integer number (235146402).

Almost surely, 2^2154056422 is an apocalyptic number.

2154056422 is a deficient number, since it is larger than the sum of its proper divisors (1608286010).

2154056422 is a wasteful number, since it uses less digits than its factorization.

2154056422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903103.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2154056422 is about 46411.8133884036. The cubic root of 2154056422 is about 1291.4740720148.

The spelling of 2154056422 in words is "two billion, one hundred fifty-four million, fifty-six thousand, four hundred twenty-two".