122622747 has 8 divisors (see below), whose sum is σ = 176073744. Its totient is φ = 75460128.

The previous prime is 122622737. The next prime is 122622757. The reversal of 122622747 is 747226221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122622737) and next prime (122622757).

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

It is not a de Polignac number, because 122622747 - 2¹² = 122618651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122622707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572048 + ... + 1572125.

It is an arithmetic number, because the mean of its divisors is an integer number (22009218).

Almost surely, 2^122622747 is an apocalyptic number.

122622747 is a deficient number, since it is larger than the sum of its proper divisors (53450997).

122622747 is a wasteful number, since it uses less digits than its factorization.

122622747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144189.

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

The square root of 122622747 is about 11073.5155664315. The cubic root of 122622747 is about 496.8100206787.

Adding to 122622747 its reverse (747226221), we get a palindrome (869848968).

The spelling of 122622747 in words is "one hundred twenty-two million, six hundred twenty-two thousand, seven hundred forty-seven".