122267770 has 48 divisors (see below), whose sum is σ = 238298760. Its totient is φ = 45110912.

The previous prime is 122267753. The next prime is 122267777. The reversal of 122267770 is 77762221.

It can be written as a sum of positive squares in 4 ways, for example, as 98267569 + 24000201 = 9913^2 + 4899^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122267777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153012 + ... + 153808.

Almost surely, 2^122267770 is an apocalyptic number.

122267770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122267770 is a deficient number, since it is larger than the sum of its proper divisors (116030990).

122267770 is a wasteful number, since it uses less digits than its factorization.

122267770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 122267770 is about 11057.4757517256. The cubic root of 122267770 is about 496.3301570718.

The spelling of 122267770 in words is "one hundred twenty-two million, two hundred sixty-seven thousand, seven hundred seventy".