440022061 has 2 divisors, whose sum is σ = 440022062. Its totient is φ = 440022060.

The previous prime is 440022047. The next prime is 440022103. The reversal of 440022061 is 160220044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379275625 + 60746436 = 19475^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 440022061 - 2¹¹ = 440020013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440026061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220011030 + 220011031.

It is an arithmetic number, because the mean of its divisors is an integer number (220011031).

Almost surely, 2^440022061 is an apocalyptic number.

It is an amenable number.

440022061 is a deficient number, since it is larger than the sum of its proper divisors (1).

440022061 is an equidigital number, since it uses as much as digits as its factorization.

440022061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440022061 is about 20976.7028152663. The cubic root of 440022061 is about 760.6032035965.

The spelling of 440022061 in words is "four hundred forty million, twenty-two thousand, sixty-one".