65226642 has 16 divisors (see below), whose sum is σ = 140488320. Its totient is φ = 20069712.

The previous prime is 65226619. The next prime is 65226653. The reversal of 65226642 is 24662256.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418042 + ... + 418197.

It is an arithmetic number, because the mean of its divisors is an integer number (8780520).

Almost surely, 2^65226642 is an apocalyptic number.

65226642 is an abundant number, since it is smaller than the sum of its proper divisors (75261678).

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

65226642 is a wasteful number, since it uses less digits than its factorization.

65226642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836257.

The product of its digits is 34560, while the sum is 33.

The square root of 65226642 is about 8076.3012573826. The cubic root of 65226642 is about 402.5393493158.

Adding to 65226642 its reverse (24662256), we get a palindrome (89888898).

The spelling of 65226642 in words is "sixty-five million, two hundred twenty-six thousand, six hundred forty-two".