1000031220022 has 4 divisors (see below), whose sum is σ = 1500046830036. Its totient is φ = 500015610010.

The previous prime is 1000031219989. The next prime is 1000031220029. The reversal of 1000031220022 is 2200221300001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000031219984 and 1000031220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000031220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250007805004 + ... + 250007805007.

It is an arithmetic number, because the mean of its divisors is an integer number (375011707509).

Almost surely, 2^{1000031220022} is an apocalyptic number.

1000031220022 is a deficient number, since it is larger than the sum of its proper divisors (500015610014).

1000031220022 is an equidigital number, since it uses as much as digits as its factorization.

1000031220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500015610013.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1000031220022 its reverse (2200221300001), we get a palindrome (3200252520023).

The spelling of 1000031220022 in words is "one trillion, thirty-one million, two hundred twenty thousand, twenty-two".