64613226 has 16 divisors (see below), whose sum is σ = 136828224. Its totient is φ = 20270784.

The previous prime is 64613221. The next prime is 64613257. The reversal of 64613226 is 62231646.

It is a junction number, because it is equal to n+sod(n) for n = 64613193 and 64613202.

It is not an unprimeable number, because it can be changed into a prime (64613221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316630 + ... + 316833.

It is an arithmetic number, because the mean of its divisors is an integer number (8551764).

Almost surely, 2^64613226 is an apocalyptic number.

64613226 is an abundant number, since it is smaller than the sum of its proper divisors (72214998).

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

64613226 is a wasteful number, since it uses less digits than its factorization.

64613226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633485.

The product of its digits is 10368, while the sum is 30.

The square root of 64613226 is about 8038.2352540841. The cubic root of 64613226 is about 401.2734953876.

The spelling of 64613226 in words is "sixty-four million, six hundred thirteen thousand, two hundred twenty-six".