425226064 has 20 divisors (see below), whose sum is σ = 824461120. Its totient is φ = 212461920.

The previous prime is 425226031. The next prime is 425226073. The reversal of 425226064 is 460622524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15817 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (41223056).

Almost surely, 2^425226064 is an apocalyptic number.

It is an amenable number.

425226064 is a deficient number, since it is larger than the sum of its proper divisors (399235056).

425226064 is a wasteful number, since it uses less digits than its factorization.

425226064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18898 (or 18892 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 425226064 is about 20621.0102565320. The cubic root of 425226064 is about 751.9805808325.

Adding to 425226064 its reverse (460622524), we get a palindrome (885848588).

The spelling of 425226064 in words is "four hundred twenty-five million, two hundred twenty-six thousand, sixty-four".