222090377 has 4 divisors (see below), whose sum is σ = 224166096. Its totient is φ = 220014660.

The previous prime is 222090367. The next prime is 222090403. The reversal of 222090377 is 773090222.

222090377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773090222 = 2 ⋅386545111.

It is a cyclic number.

It is not a de Polignac number, because 222090377 - 2¹² = 222086281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222090367) 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, 1037699 + ... + 1037912.

It is an arithmetic number, because the mean of its divisors is an integer number (56041524).

Almost surely, 2^222090377 is an apocalyptic number.

It is an amenable number.

222090377 is a deficient number, since it is larger than the sum of its proper divisors (2075719).

222090377 is a wasteful number, since it uses less digits than its factorization.

222090377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075718.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 222090377 is about 14902.6969706829. The cubic root of 222090377 is about 605.5870512449.

The spelling of 222090377 in words is "two hundred twenty-two million, ninety thousand, three hundred seventy-seven".