1220214132 has 30 divisors (see below), whose sum is σ = 3189881618. Its totient is φ = 406737936.

The previous prime is 1220214113. The next prime is 1220214133. The reversal of 1220214132 is 2314120221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1190664036 + 29550096 = 34506^2 + 5436^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220214133) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1882723 + ... + 1883370.

Almost surely, 2^1220214132 is an apocalyptic number.

1220214132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220214132 is an abundant number, since it is smaller than the sum of its proper divisors (1969667486).

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

1220214132 is a wasteful number, since it uses less digits than its factorization.

1220214132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766109 (or 3766098 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1220214132 is about 34931.5635493174. The cubic root of 1220214132 is about 1068.5922419038.

Adding to 1220214132 its reverse (2314120221), we get a palindrome (3534334353).

The spelling of 1220214132 in words is "one billion, two hundred twenty million, two hundred fourteen thousand, one hundred thirty-two".