122221852 has 6 divisors (see below), whose sum is σ = 213888248. Its totient is φ = 61110924.

The previous prime is 122221837. The next prime is 122221859. The reversal of 122221852 is 258122221.

It is a super-2 number, since 2×122221852² = 29876362212619808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277728 + ... + 15277735.

Almost surely, 2^122221852 is an apocalyptic number.

It is an amenable number.

122221852 is a deficient number, since it is larger than the sum of its proper divisors (91666396).

122221852 is a wasteful number, since it uses less digits than its factorization.

122221852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30555467 (or 30555465 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 122221852 is about 11055.3992239087. The cubic root of 122221852 is about 496.2680165700.

The spelling of 122221852 in words is "one hundred twenty-two million, two hundred twenty-one thousand, eight hundred fifty-two".