64225452 has 12 divisors (see below), whose sum is σ = 149859416. Its totient is φ = 21408480.

The previous prime is 64225429. The next prime is 64225457. The reversal of 64225452 is 25452246.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (64225457) 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, 2676049 + ... + 2676072.

Almost surely, 2^64225452 is an apocalyptic number.

It is an amenable number.

64225452 is an abundant number, since it is smaller than the sum of its proper divisors (85633964).

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

64225452 is a wasteful number, since it uses less digits than its factorization.

64225452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352128 (or 5352126 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 64225452 is about 8014.0783624819. The cubic root of 64225452 is about 400.4691412178.

Adding to 64225452 its reverse (25452246), we get a palindrome (89677698).

The spelling of 64225452 in words is "sixty-four million, two hundred twenty-five thousand, four hundred fifty-two".