22003400345 has 16 divisors (see below), whose sum is σ = 26747573760. Its totient is φ = 17373879744.

The previous prime is 22003400299. The next prime is 22003400369. The reversal of 22003400345 is 54300430022.

It is a cyclic number.

It is not a de Polignac number, because 22003400345 - 2¹⁰ = 22003399321 is a prime.

It is a super-2 number, since 2×22003400345² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22003400345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387652 + ... + 1403418.

It is an arithmetic number, because the mean of its divisors is an integer number (1671723360).

Almost surely, 2^22003400345 is an apocalyptic number.

It is an amenable number.

22003400345 is a deficient number, since it is larger than the sum of its proper divisors (4744173415).

22003400345 is a wasteful number, since it uses less digits than its factorization.

22003400345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19384.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 22003400345 its reverse (54300430022), we get a palindrome (76303830367).

The spelling of 22003400345 in words is "twenty-two billion, three million, four hundred thousand, three hundred forty-five".