1220022332 has 6 divisors (see below), whose sum is σ = 2135039088. Its totient is φ = 610011164.

The previous prime is 1220022311. The next prime is 1220022409. The reversal of 1220022332 is 2332200221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220022332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152502788 + ... + 152502795.

It is an arithmetic number, because the mean of its divisors is an integer number (355839848).

Almost surely, 2^1220022332 is an apocalyptic number.

It is an amenable number.

1220022332 is a deficient number, since it is larger than the sum of its proper divisors (915016756).

1220022332 is a wasteful number, since it uses less digits than its factorization.

1220022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305005587 (or 305005585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1220022332 is about 34928.8180733331. The cubic root of 1220022332 is about 1068.5362498921.

Adding to 1220022332 its reverse (2332200221), we get a palindrome (3552222553).

The spelling of 1220022332 in words is "one billion, two hundred twenty million, twenty-two thousand, three hundred thirty-two".