1013222221 has 8 divisors (see below), whose sum is σ = 1105876224. Its totient is φ = 920658720.

The previous prime is 1013222167. The next prime is 1013222239. The reversal of 1013222221 is 1222223101.

It is a happy number.

1013222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013222221 - 2¹³ = 1013214029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013222195 and 1013222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013222621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956 + ... + 45058.

It is an arithmetic number, because the mean of its divisors is an integer number (138234528).

Almost surely, 2^1013222221 is an apocalyptic number.

1013222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013222221 is a deficient number, since it is larger than the sum of its proper divisors (92654003).

1013222221 is a wasteful number, since it uses less digits than its factorization.

1013222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45251.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1013222221 is about 31831.1517385092. The cubic root of 1013222221 is about 1004.3881232093.

Adding to 1013222221 its reverse (1222223101), we get a palindrome (2235445322).

It can be divided in two parts, 10 and 13222221, that added together give a palindrome (13222231).

The spelling of 1013222221 in words is "one billion, thirteen million, two hundred twenty-two thousand, two hundred twenty-one".