9212219404 has 12 divisors (see below), whose sum is σ = 16362002104. Its totient is φ = 4537361664.

The previous prime is 9212219381. The next prime is 9212219413. The reversal of 9212219404 is 4049122129.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9212219404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17186709 + ... + 17187244.

Almost surely, 2^9212219404 is an apocalyptic number.

It is an amenable number.

9212219404 is a deficient number, since it is larger than the sum of its proper divisors (7149782700).

9212219404 is a wasteful number, since it uses less digits than its factorization.

9212219404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34374024 (or 34374022 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 9212219404 is about 95980.3073760446. The cubic root of 9212219404 is about 2096.3063873706.

The spelling of 9212219404 in words is "nine billion, two hundred twelve million, two hundred nineteen thousand, four hundred four".