22148008461 has 12 divisors (see below), whose sum is σ = 32028821760. Its totient is φ = 14748144840.

The previous prime is 22148008457. The next prime is 22148008471. The reversal of 22148008461 is 16480084122.

It is not a de Polignac number, because 22148008461 - 2² = 22148008457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148008411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1424685 + ... + 1440146.

It is an arithmetic number, because the mean of its divisors is an integer number (2669068480).

Almost surely, 2^22148008461 is an apocalyptic number.

It is an amenable number.

22148008461 is a deficient number, since it is larger than the sum of its proper divisors (9880813299).

22148008461 is a wasteful number, since it uses less digits than its factorization.

22148008461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865696 (or 2865693 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 22148008461 in words is "twenty-two billion, one hundred forty-eight million, eight thousand, four hundred sixty-one".