22151454140 has 12 divisors (see below), whose sum is σ = 46518053736. Its totient is φ = 8860581648.

The previous prime is 22151454137. The next prime is 22151454151. The reversal of 22151454140 is 4145415122.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 553786334 + ... + 553786373.

It is an arithmetic number, because the mean of its divisors is an integer number (3876504478).

Almost surely, 2^22151454140 is an apocalyptic number.

22151454140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22151454140 is an abundant number, since it is smaller than the sum of its proper divisors (24366599596).

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

22151454140 is a wasteful number, since it uses less digits than its factorization.

22151454140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107572716 (or 1107572714 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 22151454140 its reverse (4145415122), we get a palindrome (26296869262).

The spelling of 22151454140 in words is "twenty-two billion, one hundred fifty-one million, four hundred fifty-four thousand, one hundred forty".