128226262 has 8 divisors (see below), whose sum is σ = 192718800. Its totient is φ = 63986664.

The previous prime is 128226253. The next prime is 128226277. The reversal of 128226262 is 262622821.

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

It is a congruent number.

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, 61962 + ... + 63997.

It is an arithmetic number, because the mean of its divisors is an integer number (24089850).

Almost surely, 2^128226262 is an apocalyptic number.

128226262 is a deficient number, since it is larger than the sum of its proper divisors (64492538).

128226262 is a wasteful number, since it uses less digits than its factorization.

128226262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126470.

The product of its digits is 9216, while the sum is 31.

The square root of 128226262 is about 11323.7035461019. The cubic root of 128226262 is about 504.2651954266.

The spelling of 128226262 in words is "one hundred twenty-eight million, two hundred twenty-six thousand, two hundred sixty-two".