126229822 has 4 divisors (see below), whose sum is σ = 189344736. Its totient is φ = 63114910.

The previous prime is 126229783. The next prime is 126229823. The reversal of 126229822 is 228922621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228922621 = 19 ⋅12048559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126229823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31557454 + ... + 31557457.

It is an arithmetic number, because the mean of its divisors is an integer number (47336184).

Almost surely, 2^126229822 is an apocalyptic number.

126229822 is a deficient number, since it is larger than the sum of its proper divisors (63114914).

126229822 is an equidigital number, since it uses as much as digits as its factorization.

126229822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63114913.

The product of its digits is 13824, while the sum is 34.

The square root of 126229822 is about 11235.2045820270. The cubic root of 126229822 is about 501.6344142256.

The spelling of 126229822 in words is "one hundred twenty-six million, two hundred twenty-nine thousand, eight hundred twenty-two".