22201051220 has 48 divisors (see below), whose sum is σ = 49534752960. Its totient is φ = 8334388224.

The previous prime is 22201051219. The next prime is 22201051259. The reversal of 22201051220 is 2215010222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232349 + ... + 313668.

It is an arithmetic number, because the mean of its divisors is an integer number (1031974020).

Almost surely, 2^22201051220 is an apocalyptic number.

22201051220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201051220 is an abundant number, since it is smaller than the sum of its proper divisors (27333701740).

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

22201051220 is a wasteful number, since it uses less digits than its factorization.

22201051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546152 (or 546150 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 22201051220 its reverse (2215010222), we get a palindrome (24416061442).

The spelling of 22201051220 in words is "twenty-two billion, two hundred one million, fifty-one thousand, two hundred twenty".