226406490 has 16 divisors (see below), whose sum is σ = 543375648. Its totient is φ = 60375056.

The previous prime is 226406471. The next prime is 226406501. The reversal of 226406490 is 94604622.

It is a happy number.

It is a Curzon number.

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, 3773412 + ... + 3773471.

It is an arithmetic number, because the mean of its divisors is an integer number (33960978).

Almost surely, 2^226406490 is an apocalyptic number.

226406490 is an abundant number, since it is smaller than the sum of its proper divisors (316969158).

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

226406490 is a wasteful number, since it uses less digits than its factorization.

226406490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546893.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 226406490 is about 15046.8099609186. The cubic root of 226406490 is about 609.4849096162.

The spelling of 226406490 in words is "two hundred twenty-six million, four hundred six thousand, four hundred ninety".