213422977 has 8 divisors (see below), whose sum is σ = 220976640. Its totient is φ = 205882320.

The previous prime is 213422971. The next prime is 213422983. The reversal of 213422977 is 779224312.

It is an interprime number because it is at equal distance from previous prime (213422971) and next prime (213422983).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213422977 - 2¹⁹ = 212898689 is a prime.

It is a super-2 number, since 2×213422977² = 91098734223085058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213422971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40158 + ... + 45160.

It is an arithmetic number, because the mean of its divisors is an integer number (27622080).

Almost surely, 2^213422977 is an apocalyptic number.

It is an amenable number.

213422977 is a deficient number, since it is larger than the sum of its proper divisors (7553663).

213422977 is a wasteful number, since it uses less digits than its factorization.

213422977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503.

The product of its digits is 42336, while the sum is 37.

The square root of 213422977 is about 14609.0032856455. The cubic root of 213422977 is about 597.6043148111.

The spelling of 213422977 in words is "two hundred thirteen million, four hundred twenty-two thousand, nine hundred seventy-seven".