64222612 has 6 divisors (see below), whose sum is σ = 112389578. Its totient is φ = 32111304.

The previous prime is 64222597. The next prime is 64222637. The reversal of 64222612 is 21622246.

It can be written as a sum of positive squares in only one way, i.e., 35450116 + 28772496 = 5954^2 + 5364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8027823 + ... + 8027830.

Almost surely, 2^64222612 is an apocalyptic number.

It is an amenable number.

64222612 is a deficient number, since it is larger than the sum of its proper divisors (48166966).

64222612 is a wasteful number, since it uses less digits than its factorization.

64222612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16055657 (or 16055655 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 64222612 is about 8013.9011723380. The cubic root of 64222612 is about 400.4632383186.

Adding to 64222612 its reverse (21622246), we get a palindrome (85844858).

The spelling of 64222612 in words is "sixty-four million, two hundred twenty-two thousand, six hundred twelve".