22150024040 has 32 divisors (see below), whose sum is σ = 49903983360. Its totient is φ = 8848200000.

The previous prime is 22150024037. The next prime is 22150024067. The reversal of 22150024040 is 4042005122.

It is a happy number.

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

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, 338636 + ... + 398715.

It is an arithmetic number, because the mean of its divisors is an integer number (1559499480).

Almost surely, 2^22150024040 is an apocalyptic number.

22150024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22150024040 is an abundant number, since it is smaller than the sum of its proper divisors (27753959320).

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

22150024040 is a wasteful number, since it uses less digits than its factorization.

22150024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738113 (or 738109 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 22150024040 its reverse (4042005122), we get a palindrome (26192029162).

The spelling of 22150024040 in words is "twenty-two billion, one hundred fifty million, twenty-four thousand, forty".