64158226 has 8 divisors (see below), whose sum is σ = 104986224. Its totient is φ = 29162820.

The previous prime is 64158223. The next prime is 64158271. The reversal of 64158226 is 62285146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64158191 and 64158200.

It is not an unprimeable number, because it can be changed into a prime (64158223) 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, 1458120 + ... + 1458163.

It is an arithmetic number, because the mean of its divisors is an integer number (13123278).

Almost surely, 2^64158226 is an apocalyptic number.

64158226 is a deficient number, since it is larger than the sum of its proper divisors (40827998).

64158226 is a wasteful number, since it uses less digits than its factorization.

64158226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916296.

The product of its digits is 23040, while the sum is 34.

The square root of 64158226 is about 8009.8830203693. The cubic root of 64158226 is about 400.3293662203.

Subtracting from 64158226 its reverse (62285146), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 6415 and 8226, that added together give a palindrome (14641).

The spelling of 64158226 in words is "sixty-four million, one hundred fifty-eight thousand, two hundred twenty-six".