64406226 has 8 divisors (see below), whose sum is σ = 128812464. Its totient is φ = 21468740.

The previous prime is 64406213. The next prime is 64406231. The reversal of 64406226 is 62260446.

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

64406226 is an admirable number.

It is a super-3 number, since 3×64406226³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64406193 and 64406202.

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, 5367180 + ... + 5367191.

It is an arithmetic number, because the mean of its divisors is an integer number (16101558).

Almost surely, 2^64406226 is an apocalyptic number.

64406226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64406226 is a wasteful number, since it uses less digits than its factorization.

64406226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734376.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64406226 is about 8025.3489643753. The cubic root of 64406226 is about 400.8445198773.

It can be divided in two parts, 6 and 4406226, that multiplied together give a triangular number (26437356 = T₇₂₇₁).

The spelling of 64406226 in words is "sixty-four million, four hundred six thousand, two hundred twenty-six".