22147540406 has 4 divisors (see below), whose sum is σ = 33221310612. Its totient is φ = 11073770202.

The previous prime is 22147540369. The next prime is 22147540421. The reversal of 22147540406 is 60404574122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60404574122 = 2 ⋅30202287061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536885100 + ... + 5536885103.

It is an arithmetic number, because the mean of its divisors is an integer number (8305327653).

Almost surely, 2^22147540406 is an apocalyptic number.

22147540406 is a deficient number, since it is larger than the sum of its proper divisors (11073770206).

22147540406 is a wasteful number, since it uses less digits than its factorization.

22147540406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073770205.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 22147540406 in words is "twenty-two billion, one hundred forty-seven million, five hundred forty thousand, four hundred six".