122227647 has 4 divisors (see below), whose sum is σ = 162970200. Its totient is φ = 81485096.

The previous prime is 122227643. The next prime is 122227657. The reversal of 122227647 is 746722221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122227647 - 2² = 122227643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122227643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20371272 + ... + 20371277.

It is an arithmetic number, because the mean of its divisors is an integer number (40742550).

Almost surely, 2^122227647 is an apocalyptic number.

122227647 is a deficient number, since it is larger than the sum of its proper divisors (40742553).

122227647 is an equidigital number, since it uses as much as digits as its factorization.

122227647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40742552.

The product of its digits is 18816, while the sum is 33.

The square root of 122227647 is about 11055.6613099353. The cubic root of 122227647 is about 496.2758597602.

Adding to 122227647 its reverse (746722221), we get a palindrome (868949868).

The spelling of 122227647 in words is "one hundred twenty-two million, two hundred twenty-seven thousand, six hundred forty-seven".