64204222 has 4 divisors (see below), whose sum is σ = 96306336. Its totient is φ = 32102110.

The previous prime is 64204219. The next prime is 64204267. The reversal of 64204222 is 22240246.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 64204193 and 64204202.

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, 16051054 + ... + 16051057.

It is an arithmetic number, because the mean of its divisors is an integer number (24076584).

Almost surely, 2^64204222 is an apocalyptic number.

64204222 is a deficient number, since it is larger than the sum of its proper divisors (32102114).

64204222 is a wasteful number, since it uses less digits than its factorization.

64204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32102113.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 64204222 is about 8012.7537089318. The cubic root of 64204222 is about 400.4250107547.

Adding to 64204222 its reverse (22240246), we get a palindrome (86444468).

The spelling of 64204222 in words is "sixty-four million, two hundred four thousand, two hundred twenty-two".