2187214852 has 6 divisors (see below), whose sum is σ = 3827625998. Its totient is φ = 1093607424.

The previous prime is 2187214847. The next prime is 2187214871. The reversal of 2187214852 is 2584127812.

It can be written as a sum of positive squares in only one way, i.e., 2029862916 + 157351936 = 45054^2 + 12544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273401853 + ... + 273401860.

Almost surely, 2^2187214852 is an apocalyptic number.

It is an amenable number.

2187214852 is a deficient number, since it is larger than the sum of its proper divisors (1640411146).

2187214852 is a wasteful number, since it uses less digits than its factorization.

2187214852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546803717 (or 546803715 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 2187214852 is about 46767.6688749824. The cubic root of 2187214852 is about 1298.0671180857.

The spelling of 2187214852 in words is "two billion, one hundred eighty-seven million, two hundred fourteen thousand, eight hundred fifty-two".