1422977 has 2 divisors, whose sum is σ = 1422978. Its totient is φ = 1422976.

The previous prime is 1422973. The next prime is 1422979. The reversal of 1422977 is 7792241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 440896 = 991^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422977 - 2² = 1422973 is a prime.

Together with 1422979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1422973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711488 + 711489.

It is an arithmetic number, because the mean of its divisors is an integer number (711489).

2^1422977 is an apocalyptic number.

It is an amenable number.

1422977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422977 is an equidigital number, since it uses as much as digits as its factorization.

1422977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 1422977 is about 1192.8859962293. The cubic root of 1422977 is about 112.4775790710.

The spelling of 1422977 in words is "one million, four hundred twenty-two thousand, nine hundred seventy-seven".