1492221 has 8 divisors (see below), whose sum is σ = 2005344. Its totient is φ = 986960.

The previous prime is 1492219. The next prime is 1492223. The reversal of 1492221 is 1222941.

It is an interprime number because it is at equal distance from previous prime (1492219) and next prime (1492223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1492221 - 2¹ = 1492219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (250668).

2^1492221 is an apocalyptic number.

It is an amenable number.

1492221 is a deficient number, since it is larger than the sum of its proper divisors (513123).

1492221 is a wasteful number, since it uses less digits than its factorization.

1492221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

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

The square root of 1492221 is about 1221.5649798517. The cubic root of 1492221 is about 114.2731982573.

It can be divided in two parts, 14 and 92221, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 1492221 in words is "one million, four hundred ninety-two thousand, two hundred twenty-one".