1222024 has 8 divisors (see below), whose sum is σ = 2291310. Its totient is φ = 611008.

The previous prime is 1222019. The next prime is 1222027. The reversal of 1222024 is 4202221.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 465124 = 870^2 + 682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1221995 and 1222013.

It is not an unprimeable number, because it can be changed into a prime (1222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76369 + ... + 76384.

2^1222024 is an apocalyptic number.

It is an amenable number.

1222024 is a deficient number, since it is larger than the sum of its proper divisors (1069286).

1222024 is a wasteful number, since it uses less digits than its factorization.

1222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152759 (or 152755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1222024 is about 1105.4519437768. The cubic root of 1222024 is about 106.9120306457.

Adding to 1222024 its reverse (4202221), we get a palindrome (5424245).

The spelling of 1222024 in words is "one million, two hundred twenty-two thousand, twenty-four".