1224190 has 32 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 429600.

The previous prime is 1224169. The next prime is 1224193. The reversal of 1224190 is 914221.

It is a super-2 number, since 2×1224190² = 2997282312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224193) 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, 3231 + ... + 3589.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^1224190 is an apocalyptic number.

1224190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224190 is an abundant number, since it is smaller than the sum of its proper divisors (1264130).

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

1224190 is a wasteful number, since it uses less digits than its factorization.

1224190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1224190 is about 1106.4311998493. The cubic root of 1224190 is about 106.9751594591.

Multiplying 1224190 by its sum of digits (19), we get a triangular number (23259610 = T₆₈₂₀).

The spelling of 1224190 in words is "one million, two hundred twenty-four thousand, one hundred ninety".