1222260413 has 4 divisors (see below), whose sum is σ = 1333375008. Its totient is φ = 1111145820.

The previous prime is 1222260409. The next prime is 1222260421. The reversal of 1222260413 is 3140622221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222260413 - 2² = 1222260409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222260463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55557281 + ... + 55557302.

It is an arithmetic number, because the mean of its divisors is an integer number (333343752).

Almost surely, 2^1222260413 is an apocalyptic number.

It is an amenable number.

1222260413 is a deficient number, since it is larger than the sum of its proper divisors (111114595).

1222260413 is a wasteful number, since it uses less digits than its factorization.

1222260413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111114594.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1222260413 is about 34960.8411369063. The cubic root of 1222260413 is about 1069.1892460854.

Adding to 1222260413 its reverse (3140622221), we get a palindrome (4362882634).

The spelling of 1222260413 in words is "one billion, two hundred twenty-two million, two hundred sixty thousand, four hundred thirteen".