1222419 has 16 divisors (see below), whose sum is σ = 1883520. Its totient is φ = 696960.

The previous prime is 1222411. The next prime is 1222433. The reversal of 1222419 is 9142221.

It is not a de Polignac number, because 1222419 - 2³ = 1222411 is a prime.

It is a super-2 number, since 2×1222419² = 2988616423122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222395 and 1222404.

It is not an unprimeable number, because it can be changed into a prime (1222411) 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, 529 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2^1222419 is an apocalyptic number.

1222419 is a deficient number, since it is larger than the sum of its proper divisors (661101).

1222419 is a wasteful number, since it uses less digits than its factorization.

1222419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its digits is 288, while the sum is 21.

The square root of 1222419 is about 1105.6305893019. The cubic root of 1222419 is about 106.9235486145.

The spelling of 1222419 in words is "one million, two hundred twenty-two thousand, four hundred nineteen".