22151440334 has 16 divisors (see below), whose sum is σ = 35239125168. Its totient is φ = 10407192192.

The previous prime is 22151440313. The next prime is 22151440343. The reversal of 22151440334 is 43304415122.

It is a junction number, because it is equal to n+sod(n) for n = 22151440297 and 22151440306.

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, 510572 + ... + 552255.

It is an arithmetic number, because the mean of its divisors is an integer number (2202445323).

Almost surely, 2^22151440334 is an apocalyptic number.

22151440334 is a deficient number, since it is larger than the sum of its proper divisors (13087684834).

22151440334 is a wasteful number, since it uses less digits than its factorization.

22151440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063459.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22151440334 its reverse (43304415122), we get a palindrome (65455855456).

The spelling of 22151440334 in words is "twenty-two billion, one hundred fifty-one million, four hundred forty thousand, three hundred thirty-four".