122233566690 has 24 divisors (see below), whose sum is σ = 317807273628. Its totient is φ = 32595617760.

The previous prime is 122233566673. The next prime is 122233566803. The reversal of 122233566690 is 96665332221.

It can be written as a sum of positive squares in 2 ways, for example, as 117224749161 + 5008817529 = 342381^2 + 70773^2 .

It is a super-2 number, since 2×122233566690² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679075281 + ... + 679075460.

Almost surely, 2^122233566690 is an apocalyptic number.

122233566690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122233566690 is an abundant number, since it is smaller than the sum of its proper divisors (195573706938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122233566690 is a wasteful number, since it uses less digits than its factorization.

122233566690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358150754 (or 1358150751 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 122233566690 in words is "one hundred twenty-two billion, two hundred thirty-three million, five hundred sixty-six thousand, six hundred ninety".