69990222 has 8 divisors (see below), whose sum is σ = 139980456. Its totient is φ = 23330072.

The previous prime is 69990211. The next prime is 69990227. The reversal of 69990222 is 22209996.

It is a happy number.

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

69990222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69990227) 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, 5832513 + ... + 5832524.

It is an arithmetic number, because the mean of its divisors is an integer number (17497557).

Almost surely, 2^69990222 is an apocalyptic number.

69990222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69990222 is a wasteful number, since it uses less digits than its factorization.

69990222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665042.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 69990222 is about 8366.0158976660. The cubic root of 69990222 is about 412.1093395979.

The spelling of 69990222 in words is "sixty-nine million, nine hundred ninety thousand, two hundred twenty-two".