123220022 has 4 divisors (see below), whose sum is σ = 184830036. Its totient is φ = 61610010.

The previous prime is 123219977. The next prime is 123220051. The reversal of 123220022 is 220022321.

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 = 123219979 and 123220006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30805004 + ... + 30805007.

It is an arithmetic number, because the mean of its divisors is an integer number (46207509).

Almost surely, 2^123220022 is an apocalyptic number.

123220022 is a deficient number, since it is larger than the sum of its proper divisors (61610014).

123220022 is an equidigital number, since it uses as much as digits as its factorization.

123220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61610013.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 123220022 is about 11100.4514322617. The cubic root of 123220022 is about 497.6153408826.

Adding to 123220022 its reverse (220022321), we get a palindrome (343242343).

The spelling of 123220022 in words is "one hundred twenty-three million, two hundred twenty thousand, twenty-two".