1397022 has 32 divisors (see below), whose sum is σ = 3106944. Its totient is φ = 415200.

The previous prime is 1397021. The next prime is 1397023. The reversal of 1397022 is 2207931.

It is an interprime number because it is at equal distance from previous prime (1397021) and next prime (1397023).

It is a junction number, because it is equal to n+sod(n) for n = 1396983 and 1397001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3853 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (97092).

2^1397022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553472).

1397022 is an abundant number, since it is smaller than the sum of its proper divisors (1709922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397022 is a wasteful number, since it uses less digits than its factorization.

1397022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1397022 is about 1181.9568520043. The cubic root of 1397022 is about 111.7895175266.

The spelling of 1397022 in words is "one million, three hundred ninety-seven thousand, twenty-two".