1222950 has 48 divisors (see below), whose sum is σ = 3142656. Its totient is φ = 314400.

The previous prime is 1222943. The next prime is 1222957. The reversal of 1222950 is 592221.

It is an interprime number because it is at equal distance from previous prime (1222943) and next prime (1222957).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4519 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (65472).

2^1222950 is an apocalyptic number.

1222950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571328).

1222950 is an abundant number, since it is smaller than the sum of its proper divisors (1919706).

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

1222950 is a wasteful number, since it uses less digits than its factorization.

1222950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1222950 is about 1105.8706976858. The cubic root of 1222950 is about 106.9390283546.

The spelling of 1222950 in words is "one million, two hundred twenty-two thousand, nine hundred fifty".