64229222 has 4 divisors (see below), whose sum is σ = 96343836. Its totient is φ = 32114610.

The previous prime is 64229219. The next prime is 64229237. The reversal of 64229222 is 22292246.

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

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, 16057304 + ... + 16057307.

It is an arithmetic number, because the mean of its divisors is an integer number (24085959).

Almost surely, 2^64229222 is an apocalyptic number.

64229222 is a deficient number, since it is larger than the sum of its proper divisors (32114614).

64229222 is a wasteful number, since it uses less digits than its factorization.

64229222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32114613.

The product of its digits is 6912, while the sum is 29.

The square root of 64229222 is about 8014.3135701069. The cubic root of 64229222 is about 400.4769768400.

The spelling of 64229222 in words is "sixty-four million, two hundred twenty-nine thousand, two hundred twenty-two".