64611226 has 4 divisors (see below), whose sum is σ = 96916842. Its totient is φ = 32305612.

The previous prime is 64611199. The next prime is 64611227. The reversal of 64611226 is 62211646.

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

It can be written as a sum of positive squares in only one way, i.e., 35462025 + 29149201 = 5955^2 + 5399^2 .

It is a super-2 number, since 2×64611226² = 8349221050446152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64611194 and 64611203.

It is not an unprimeable number, because it can be changed into a prime (64611227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16152805 + ... + 16152808.

Almost surely, 2^64611226 is an apocalyptic number.

64611226 is a deficient number, since it is larger than the sum of its proper divisors (32305616).

64611226 is a wasteful number, since it uses less digits than its factorization.

64611226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32305615.

The product of its digits is 3456, while the sum is 28.

The square root of 64611226 is about 8038.1108477054. The cubic root of 64611226 is about 401.2693550832.

The spelling of 64611226 in words is "sixty-four million, six hundred eleven thousand, two hundred twenty-six".