122021224 has 16 divisors (see below), whose sum is σ = 246389220. Its totient is φ = 56317440.

The previous prime is 122021213. The next prime is 122021243. The reversal of 122021224 is 422120221.

It can be written as a sum of positive squares in 2 ways, for example, as 88172100 + 33849124 = 9390^2 + 5818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122021198 and 122021207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586537 + ... + 586744.

Almost surely, 2^122021224 is an apocalyptic number.

It is an amenable number.

122021224 is an abundant number, since it is smaller than the sum of its proper divisors (124367996).

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

122021224 is a wasteful number, since it uses less digits than its factorization.

122021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173300 (or 1173296 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122021224 is about 11046.3217407425. The cubic root of 122021224 is about 495.9963254150.

Adding to 122021224 its reverse (422120221), we get a palindrome (544141445).

The spelling of 122021224 in words is "one hundred twenty-two million, twenty-one thousand, two hundred twenty-four".