1221114430 has 16 divisors (see below), whose sum is σ = 2249123184. Its totient is φ = 477086400.

The previous prime is 1221114407. The next prime is 1221114469. The reversal of 1221114430 is 344111221.

It is a super-2 number, since 2×1221114430² = 2982240902308449800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1221114398 and 1221114407.

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, 1419471 + ... + 1420330.

It is an arithmetic number, because the mean of its divisors is an integer number (140570199).

Almost surely, 2^1221114430 is an apocalyptic number.

1221114430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221114430 is a deficient number, since it is larger than the sum of its proper divisors (1028008754).

1221114430 is a wasteful number, since it uses less digits than its factorization.

1221114430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839851.

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

The square root of 1221114430 is about 34944.4477707117. The cubic root of 1221114430 is about 1068.8549867568.

Adding to 1221114430 its reverse (344111221), we get a palindrome (1565225651).

The spelling of 1221114430 in words is "one billion, two hundred twenty-one million, one hundred fourteen thousand, four hundred thirty".