122266628 has 18 divisors (see below), whose sum is σ = 235187358. Its totient is φ = 55575520.

The previous prime is 122266603. The next prime is 122266637. The reversal of 122266628 is 826662221.

122266628 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 78996544 + 43270084 = 8888^2 + 6578^2 .

It is a super-3 number, since 3×122266628³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125825 + ... + 126792.

Almost surely, 2^122266628 is an apocalyptic number.

It is an amenable number.

122266628 is a deficient number, since it is larger than the sum of its proper divisors (112920730).

122266628 is a wasteful number, since it uses less digits than its factorization.

122266628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252643 (or 252630 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 122266628 is about 11057.4241123329. The cubic root of 122266628 is about 496.3286118000.

The spelling of 122266628 in words is "one hundred twenty-two million, two hundred sixty-six thousand, six hundred twenty-eight".