212229459 has 24 divisors (see below), whose sum is σ = 331898112. Its totient is φ = 129905280.

The previous prime is 212229439. The next prime is 212229463. The reversal of 212229459 is 954922212.

It is not a de Polignac number, because 212229459 - 2⁵ = 212229427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212229419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17599 + ... + 27095.

It is an arithmetic number, because the mean of its divisors is an integer number (13829088).

Almost surely, 2^212229459 is an apocalyptic number.

212229459 is a deficient number, since it is larger than the sum of its proper divisors (119668653).

212229459 is a wasteful number, since it uses less digits than its factorization.

212229459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707 (or 9704 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 212229459 is about 14568.0973019815. The cubic root of 212229459 is about 596.4882443880.

The spelling of 212229459 in words is "two hundred twelve million, two hundred twenty-nine thousand, four hundred fifty-nine".