1222526044 has 48 divisors (see below), whose sum is σ = 2334689280. Its totient is φ = 557997120.

The previous prime is 1222526023. The next prime is 1222526047. The reversal of 1222526044 is 4406252221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222526047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618642 + ... + 620614.

It is an arithmetic number, because the mean of its divisors is an integer number (48639360).

Almost surely, 2^1222526044 is an apocalyptic number.

It is an amenable number.

1222526044 is a deficient number, since it is larger than the sum of its proper divisors (1112163236).

1222526044 is a wasteful number, since it uses less digits than its factorization.

1222526044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290 (or 2288 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1222526044 is about 34964.6399094857. The cubic root of 1222526044 is about 1069.2666952754.

Adding to 1222526044 its reverse (4406252221), we get a palindrome (5628778265).

The spelling of 1222526044 in words is "one billion, two hundred twenty-two million, five hundred twenty-six thousand, forty-four".