1229350122 has 432 divisors, whose sum is σ = 3984113952. Its totient is φ = 279236160.

The previous prime is 1229350117. The next prime is 1229350127. The reversal of 1229350122 is 2210539221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1229350117) and next prime (1229350127).

It is a super-2 number, since 2×1229350122² = 3022603444922829768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1229350127) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 64702629 + ... + 64702647.

It is an arithmetic number, because the mean of its divisors is an integer number (9222486).

Almost surely, 2^1229350122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229350122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992056976).

1229350122 is an abundant number, since it is smaller than the sum of its proper divisors (2754763830).

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

1229350122 is a wasteful number, since it uses less digits than its factorization.

1229350122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1229350122 is about 35062.0895270091. The cubic root of 1229350122 is about 1071.2525356046.

Adding to 1229350122 its reverse (2210539221), we get a palindrome (3439889343).

The spelling of 1229350122 in words is "one billion, two hundred twenty-nine million, three hundred fifty thousand, one hundred twenty-two".