22415304022420 has 12 divisors (see below), whose sum is σ = 47072138447124. Its totient is φ = 8966121608960.

The previous prime is 22415304022409. The next prime is 22415304022427. The reversal of 22415304022420 is 2422040351422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8498927445264 + 13916376577156 = 2915292^2 + 3730466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22415304022427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560382600541 + ... + 560382600580.

It is an arithmetic number, because the mean of its divisors is an integer number (3922678203927).

Almost surely, 2^{22415304022420} is an apocalyptic number.

22415304022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22415304022420 is an abundant number, since it is smaller than the sum of its proper divisors (24656834424704).

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

22415304022420 is a wasteful number, since it uses less digits than its factorization.

22415304022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120765201130 (or 1120765201128 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22415304022420 its reverse (2422040351422), we get a palindrome (24837344373842).

The spelling of 22415304022420 in words is "twenty-two trillion, four hundred fifteen billion, three hundred four million, twenty-two thousand, four hundred twenty".