2154544022 has 16 divisors (see below), whose sum is σ = 3298653072. Its totient is φ = 1055065440.

The previous prime is 2154543997. The next prime is 2154544057. The reversal of 2154544022 is 2204454512.

2154544022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 42728 + ... + 78324.

It is an arithmetic number, because the mean of its divisors is an integer number (206165817).

Almost surely, 2^2154544022 is an apocalyptic number.

2154544022 is a deficient number, since it is larger than the sum of its proper divisors (1144109050).

2154544022 is a wasteful number, since it uses less digits than its factorization.

2154544022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36223.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2154544022 is about 46417.0660641105. The cubic root of 2154544022 is about 1291.5715122430.

Adding to 2154544022 its reverse (2204454512), we get a palindrome (4358998534).

The spelling of 2154544022 in words is "two billion, one hundred fifty-four million, five hundred forty-four thousand, twenty-two".