1220022212322 has 128 divisors (see below), whose sum is σ = 2632150370304. Its totient is φ = 375997552128.

The previous prime is 1220022212303. The next prime is 1220022212333. The reversal of 1220022212322 is 2232122200221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 698351853 + ... + 698353599.

It is an arithmetic number, because the mean of its divisors is an integer number (20563674768).

Almost surely, 2^{1220022212322} is an apocalyptic number.

1220022212322 is an abundant number, since it is smaller than the sum of its proper divisors (1412128157982).

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

1220022212322 is a wasteful number, since it uses less digits than its factorization.

1220022212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1220022212322 its reverse (2232122200221), we get a palindrome (3452144412543).

The spelling of 1220022212322 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, three hundred twenty-two".