22223453977 has 2 divisors, whose sum is σ = 22223453978. Its totient is φ = 22223453976.

The previous prime is 22223453953. The next prime is 22223454031. The reversal of 22223453977 is 77935432222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14463429696 + 7760024281 = 120264^2 + 88091^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223453977 - 2¹⁹ = 22222929689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22223453927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111726988 + 11111726989.

It is an arithmetic number, because the mean of its divisors is an integer number (11111726989).

Almost surely, 2^22223453977 is an apocalyptic number.

It is an amenable number.

22223453977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223453977 is an equidigital number, since it uses as much as digits as its factorization.

22223453977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 46.

The spelling of 22223453977 in words is "twenty-two billion, two hundred twenty-three million, four hundred fifty-three thousand, nine hundred seventy-seven".