2154322502 has 8 divisors (see below), whose sum is σ = 3241875312. Its totient is φ = 1073697400.

The previous prime is 2154322493. The next prime is 2154322537. The reversal of 2154322502 is 2052234512.

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

It is a super-2 number, since 2×2154322502² = 9282210885247080008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731149 + ... + 1732392.

It is an arithmetic number, because the mean of its divisors is an integer number (405234414).

Almost surely, 2^2154322502 is an apocalyptic number.

2154322502 is a deficient number, since it is larger than the sum of its proper divisors (1087552810).

2154322502 is a wasteful number, since it uses less digits than its factorization.

2154322502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463854.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2154322502 is about 46414.6798114562. The cubic root of 2154322502 is about 1291.5272463063.

The spelling of 2154322502 in words is "two billion, one hundred fifty-four million, three hundred twenty-two thousand, five hundred two".