22022242040 has 32 divisors (see below), whose sum is σ = 49611366000. Its totient is φ = 8797995264.

The previous prime is 22022242019. The next prime is 22022242057. The reversal of 22022242040 is 4024222022.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 307910 + ... + 372629.

Almost surely, 2^22022242040 is an apocalyptic number.

22022242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022242040 is an abundant number, since it is smaller than the sum of its proper divisors (27589123960).

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

22022242040 is a wasteful number, since it uses less digits than its factorization.

22022242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681359 (or 681355 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22022242040 its reverse (4024222022), we get a palindrome (26046464062).

It can be divided in two parts, 220222 and 42040, that added together give a palindrome (262262).

The spelling of 22022242040 in words is "twenty-two billion, twenty-two million, two hundred forty-two thousand, forty".