2666523422 has 32 divisors (see below), whose sum is σ = 4266864000. Its totient is φ = 1246212000.

The previous prime is 2666523401. The next prime is 2666523443. The reversal of 2666523422 is 2243256662.

It is an interprime number because it is at equal distance from previous prime (2666523401) and next prime (2666523443).

It is a super-2 number, since 2×2666523422² = 14220694320149180168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269329 + ... + 1271427.

It is an arithmetic number, because the mean of its divisors is an integer number (133339500).

Almost surely, 2^2666523422 is an apocalyptic number.

2666523422 is a deficient number, since it is larger than the sum of its proper divisors (1600340578).

2666523422 is a wasteful number, since it uses less digits than its factorization.

2666523422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its digits is 207360, while the sum is 38.

The square root of 2666523422 is about 51638.3909702849. The cubic root of 2666523422 is about 1386.6977181805.

The spelling of 2666523422 in words is "two billion, six hundred sixty-six million, five hundred twenty-three thousand, four hundred twenty-two".