22202455620 has 24 divisors (see below), whose sum is σ = 62166875904. Its totient is φ = 5920654816.

The previous prime is 22202455603. The next prime is 22202455633. The reversal of 22202455620 is 2655420222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185020404 + ... + 185020523.

It is an arithmetic number, because the mean of its divisors is an integer number (2590286496).

Almost surely, 2^22202455620 is an apocalyptic number.

22202455620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202455620 is an abundant number, since it is smaller than the sum of its proper divisors (39964420284).

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

22202455620 is a wasteful number, since it uses less digits than its factorization.

22202455620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370040939 (or 370040937 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22202455620 its reverse (2655420222), we get a palindrome (24857875842).

The spelling of 22202455620 in words is "twenty-two billion, two hundred two million, four hundred fifty-five thousand, six hundred twenty".