22151353443 has 8 divisors (see below), whose sum is σ = 29536759056. Its totient is φ = 14766758400.

The previous prime is 22151353409. The next prime is 22151353457. The reversal of 22151353443 is 34435315122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22151353443 - 2¹² = 22151349347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22151353043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135718 + ... + 250443.

It is an arithmetic number, because the mean of its divisors is an integer number (3692094882).

Almost surely, 2^22151353443 is an apocalyptic number.

22151353443 is a deficient number, since it is larger than the sum of its proper divisors (7385405613).

22151353443 is a wasteful number, since it uses less digits than its factorization.

22151353443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405285.

The product of its digits is 43200, while the sum is 33.

Adding to 22151353443 its reverse (34435315122), we get a palindrome (56586668565).

The spelling of 22151353443 in words is "twenty-two billion, one hundred fifty-one million, three hundred fifty-three thousand, four hundred forty-three".