1220433214 has 32 divisors (see below), whose sum is σ = 2457939456. Its totient is φ = 438916320.

The previous prime is 1220433211. The next prime is 1220433229. The reversal of 1220433214 is 4123340221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220433211) 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 15 ways as a sum of consecutive naturals, for example, 302802 + ... + 306805.

It is an arithmetic number, because the mean of its divisors is an integer number (76810608).

Almost surely, 2^1220433214 is an apocalyptic number.

1220433214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220433214 is an abundant number, since it is smaller than the sum of its proper divisors (1237506242).

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

1220433214 is a wasteful number, since it uses less digits than its factorization.

1220433214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609640.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1220433214 is about 34934.6992830910. The cubic root of 1220433214 is about 1068.6561911484.

Adding to 1220433214 its reverse (4123340221), we get a palindrome (5343773435).

It can be divided in two parts, 1220 and 433214, that added together give a palindrome (434434).

The spelling of 1220433214 in words is "one billion, two hundred twenty million, four hundred thirty-three thousand, two hundred fourteen".