2154434522 has 4 divisors (see below), whose sum is σ = 3231651786. Its totient is φ = 1077217260.

The previous prime is 2154434509. The next prime is 2154434533. The reversal of 2154434522 is 2254344512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2131576561 + 22857961 = 46169^2 + 4781^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538608629 + ... + 538608632.

Almost surely, 2^2154434522 is an apocalyptic number.

2154434522 is a deficient number, since it is larger than the sum of its proper divisors (1077217264).

2154434522 is a wasteful number, since it uses less digits than its factorization.

2154434522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077217263.

The product of its digits is 38400, while the sum is 32.

The square root of 2154434522 is about 46415.8865260592. The cubic root of 2154434522 is about 1291.5496314374.

The spelling of 2154434522 in words is "two billion, one hundred fifty-four million, four hundred thirty-four thousand, five hundred twenty-two".