1222405030 has 64 divisors (see below), whose sum is σ = 2770080768. Its totient is φ = 377285760.

The previous prime is 1222405027. The next prime is 1222405031. The reversal of 1222405030 is 305042221.

It is a junction number, because it is equal to n+sod(n) for n = 1222404989 and 1222405007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222405031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71604 + ... + 87016.

It is an arithmetic number, because the mean of its divisors is an integer number (43282512).

Almost surely, 2^1222405030 is an apocalyptic number.

1222405030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222405030 is an abundant number, since it is smaller than the sum of its proper divisors (1547675738).

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

1222405030 is a wasteful number, since it uses less digits than its factorization.

1222405030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15541.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1222405030 is about 34962.9093469065. The cubic root of 1222405030 is about 1069.2314129978.

Adding to 1222405030 its reverse (305042221), we get a palindrome (1527447251).

The spelling of 1222405030 in words is "one billion, two hundred twenty-two million, four hundred five thousand, thirty".