219007252 has 12 divisors (see below), whose sum is σ = 386984416. Its totient is φ = 108440280.

The previous prime is 219007249. The next prime is 219007253. The reversal of 219007252 is 252700912.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 219007252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219007253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265374 + ... + 266197.

Almost surely, 2^219007252 is an apocalyptic number.

It is an amenable number.

219007252 is a deficient number, since it is larger than the sum of its proper divisors (167977164).

219007252 is a wasteful number, since it uses less digits than its factorization.

219007252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531678 (or 531676 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 219007252 is about 14798.8936072938. The cubic root of 219007252 is about 602.7716692930.

The spelling of 219007252 in words is "two hundred nineteen million, seven thousand, two hundred fifty-two".