22038275461 has 4 divisors (see below), whose sum is σ = 22186183500. Its totient is φ = 21890367424.

The previous prime is 22038275449. The next prime is 22038275489. The reversal of 22038275461 is 16457283022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6141856900 + 15896418561 = 78370^2 + 126081^2 .

It is a cyclic number.

It is not a de Polignac number, because 22038275461 - 2¹⁵ = 22038242693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038275411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73953796 + ... + 73954093.

It is an arithmetic number, because the mean of its divisors is an integer number (5546545875).

Almost surely, 2^22038275461 is an apocalyptic number.

It is an amenable number.

22038275461 is a deficient number, since it is larger than the sum of its proper divisors (147908039).

22038275461 is a wasteful number, since it uses less digits than its factorization.

22038275461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147908038.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22038275461 in words is "twenty-two billion, thirty-eight million, two hundred seventy-five thousand, four hundred sixty-one".