1222504 has 32 divisors (see below), whose sum is σ = 2478600. Its totient is φ = 563200.

The previous prime is 1222499. The next prime is 1222513. The reversal of 1222504 is 4052221.

1222504 = T₁₀₁ + T₁₀₂ + ... + T₂₀₂.

It can be written as a sum of positive squares in 4 ways, for example, as 1205604 + 16900 = 1098^2 + 130^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054 + ... + 12154.

2^1222504 is an apocalyptic number.

It is an amenable number.

1222504 is an abundant number, since it is smaller than the sum of its proper divisors (1256096).

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

1222504 is a wasteful number, since it uses less digits than its factorization.

1222504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1222504 is about 1105.6690282358. The cubic root of 1222504 is about 106.9260268403.

Adding to 1222504 its reverse (4052221), we get a palindrome (5274725).

The spelling of 1222504 in words is "one million, two hundred twenty-two thousand, five hundred four".