126280222 has 4 divisors (see below), whose sum is σ = 189420336. Its totient is φ = 63140110.

The previous prime is 126280177. The next prime is 126280241. The reversal of 126280222 is 222082621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570054 + ... + 31570057.

It is an arithmetic number, because the mean of its divisors is an integer number (47355084).

Almost surely, 2^126280222 is an apocalyptic number.

126280222 is a deficient number, since it is larger than the sum of its proper divisors (63140114).

126280222 is an equidigital number, since it uses as much as digits as its factorization.

126280222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63140113.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 126280222 is about 11237.4473079966. The cubic root of 126280222 is about 501.7011681563.

The spelling of 126280222 in words is "one hundred twenty-six million, two hundred eighty thousand, two hundred twenty-two".