1222400030 has 16 divisors (see below), whose sum is σ = 2201511744. Its totient is φ = 488695200.

The previous prime is 1222400027. The next prime is 1222400041. The reversal of 1222400030 is 300042221.

It is a junction number, because it is equal to n+sod(n) for n = 1222399978 and 1222400014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13142 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (137594484).

Almost surely, 2^1222400030 is an apocalyptic number.

1222400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222400030 is a deficient number, since it is larger than the sum of its proper divisors (979111714).

1222400030 is a wasteful number, since it uses less digits than its factorization.

1222400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66211.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1222400030 is about 34962.8378424864. The cubic root of 1222400030 is about 1069.2299551710.

Adding to 1222400030 its reverse (300042221), we get a palindrome (1522442251).

The spelling of 1222400030 in words is "one billion, two hundred twenty-two million, four hundred thousand, thirty".