1011222604 has 36 divisors (see below), whose sum is σ = 2124978240. Its totient is φ = 419398560.

The previous prime is 1011222601. The next prime is 1011222613. The reversal of 1011222604 is 4062221101.

It is not an unprimeable number, because it can be changed into a prime (1011222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77139 + ... + 89290.

Almost surely, 2^1011222604 is an apocalyptic number.

1011222604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1011222604 is an abundant number, since it is smaller than the sum of its proper divisors (1113755636).

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

1011222604 is a wasteful number, since it uses less digits than its factorization.

1011222604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166478 (or 166469 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1011222604 is about 31799.7264768111. The cubic root of 1011222604 is about 1003.7269605092.

Adding to 1011222604 its reverse (4062221101), we get a palindrome (5073443705).

The spelling of 1011222604 in words is "one billion, eleven million, two hundred twenty-two thousand, six hundred four".