1222622598 has 16 divisors (see below), whose sum is σ = 2511333360.
Its totient is φ = 396526176.
The previous prime is 1222622593. The next prime is 1222622617. The reversal of 1222622598 is 8952262221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222622593) 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, 2753433 + ... + 2753876.
It is an arithmetic number, because the mean of its divisors is an integer number (156958335).
Almost surely, 21222622598 is an apocalyptic number.
1222622598 is an abundant number, since it is smaller than the sum of its proper divisors (1288710762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222622598 is a wasteful number, since it uses less digits than its factorization.
1222622598 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5507351.
The product of its digits is 69120, while the sum is 39.
The square root of 1222622598 is about 34966.0206200248.
The cubic root of 1222622598 is about 1069.2948444395.
The spelling of 1222622598 in words is "one billion, two hundred twenty-two million, six hundred twenty-two thousand, five hundred ninety-eight".