22400235245 has 8 divisors (see below), whose sum is σ = 27807188760. Its totient is φ = 17302250560.

The previous prime is 22400235173. The next prime is 22400235259. The reversal of 22400235245 is 54253200422.

It can be written as a sum of positive squares in 4 ways, for example, as 809459401 + 21590775844 = 28451^2 + 146938^2 .

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

It is not a de Polignac number, because 22400235245 - 2²⁶ = 22333126381 is a prime.

It is a super-4 number, since 4×22400235245⁴ (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 77242046 + ... + 77242335.

It is an arithmetic number, because the mean of its divisors is an integer number (3475898595).

Almost surely, 2^22400235245 is an apocalyptic number.

It is an amenable number.

22400235245 is a deficient number, since it is larger than the sum of its proper divisors (5406953515).

22400235245 is a wasteful number, since it uses less digits than its factorization.

22400235245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154484415.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 22400235245 its reverse (54253200422), we get a palindrome (76653435667).

The spelling of 22400235245 in words is "twenty-two billion, four hundred million, two hundred thirty-five thousand, two hundred forty-five".