22052403451 has 16 divisors (see below), whose sum is σ = 25187718528. Its totient is φ = 19126656000.

The previous prime is 22052403449. The next prime is 22052403481. The reversal of 22052403451 is 15430425022.

It is a cyclic number.

It is not a de Polignac number, because 22052403451 - 2¹ = 22052403449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22052403481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49806 + ... + 215836.

It is an arithmetic number, because the mean of its divisors is an integer number (1574232408).

Almost surely, 2^22052403451 is an apocalyptic number.

22052403451 is a deficient number, since it is larger than the sum of its proper divisors (3135315077).

22052403451 is a wasteful number, since it uses less digits than its factorization.

22052403451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166662.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22052403451 its reverse (15430425022), we get a palindrome (37482828473).

It can be divided in two parts, 22052 and 403451, that added together give a triangular number (425503 = T₉₂₂).

The spelling of 22052403451 in words is "twenty-two billion, fifty-two million, four hundred three thousand, four hundred fifty-one".