1222488 has 24 divisors (see below), whose sum is σ = 3311100. Its totient is φ = 407472.

The previous prime is 1222483. The next prime is 1222493. The reversal of 1222488 is 8842221.

It is an interprime number because it is at equal distance from previous prime (1222483) and next prime (1222493).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222483) 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, 8418 + ... + 8561.

2^1222488 is an apocalyptic number.

1222488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1222488 is an abundant number, since it is smaller than the sum of its proper divisors (2088612).

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

1222488 is a wasteful number, since it uses less digits than its factorization.

1222488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991 (or 16984 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 1222488 is about 1105.6617927739. The cubic root of 1222488 is about 106.9255603595.

It can be divided in two parts, 12 and 22488, that added together give a square (22500 = 150²).

The spelling of 1222488 in words is "one million, two hundred twenty-two thousand, four hundred eighty-eight".