84081226 has 4 divisors (see below), whose sum is σ = 126121842. Its totient is φ = 42040612.

The previous prime is 84081199. The next prime is 84081233. The reversal of 84081226 is 62218048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 998001 = 9115^2 + 999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020305 + ... + 21020308.

Almost surely, 2^84081226 is an apocalyptic number.

84081226 is a deficient number, since it is larger than the sum of its proper divisors (42040616).

84081226 is a wasteful number, since it uses less digits than its factorization.

84081226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42040615.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 84081226 is about 9169.5815607911. The cubic root of 84081226 is about 438.0930315373.

The spelling of 84081226 in words is "eighty-four million, eighty-one thousand, two hundred twenty-six".