22255461 has 12 divisors (see below), whose sum is σ = 32287788. Its totient is φ = 14771904.

The previous prime is 22255439. The next prime is 22255469. The reversal of 22255461 is 16455222.

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 6502500 = 3969^2 + 2550^2 .

It is not a de Polignac number, because 22255461 - 2⁹ = 22254949 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 (22255469) 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, 3210 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (2690649).

Almost surely, 2^22255461 is an apocalyptic number.

It is an amenable number.

22255461 is a deficient number, since it is larger than the sum of its proper divisors (10032327).

22255461 is a wasteful number, since it uses less digits than its factorization.

22255461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10852 (or 10849 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 22255461 is about 4717.5693953560. The cubic root of 22255461 is about 281.2843252921.

The spelling of 22255461 in words is "twenty-two million, two hundred fifty-five thousand, four hundred sixty-one".