1229022 has 12 divisors (see below), whose sum is σ = 2662920. Its totient is φ = 409668.

The previous prime is 1229021. The next prime is 1229023. The reversal of 1229022 is 2209221.

It is an interprime number because it is at equal distance from previous prime (1229021) and next prime (1229023).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 68279 = 1229022 / (1 + 2 + 2 + 9 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1228986 and 1229004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34122 + ... + 34157.

It is an arithmetic number, because the mean of its divisors is an integer number (221910).

2^1229022 is an apocalyptic number.

1229022 is an abundant number, since it is smaller than the sum of its proper divisors (1433898).

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

1229022 is a wasteful number, since it uses less digits than its factorization.

1229022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68287 (or 68284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1229022 is about 1108.6126465091. The cubic root of 1229022 is about 107.1157218901.

The spelling of 1229022 in words is "one million, two hundred twenty-nine thousand, twenty-two".