1423240221022 has 16 divisors (see below), whose sum is σ = 2169937847232. Its totient is φ = 699928463520.

The previous prime is 1423240221019. The next prime is 1423240221041. The reversal of 1423240221022 is 2201220423241.

It is a super-2 number, since 2×1423240221022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359163 + ... + 3759049.

It is an arithmetic number, because the mean of its divisors is an integer number (135621115452).

Almost surely, 2^{1423240221022} is an apocalyptic number.

1423240221022 is a deficient number, since it is larger than the sum of its proper divisors (746697626210).

1423240221022 is a wasteful number, since it uses less digits than its factorization.

1423240221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429123.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1423240221022 its reverse (2201220423241), we get a palindrome (3624460644263).

The spelling of 1423240221022 in words is "one trillion, four hundred twenty-three billion, two hundred forty million, two hundred twenty-one thousand, twenty-two".