1474220 has 24 divisors (see below), whose sum is σ = 3377808. Its totient is φ = 536000.

The previous prime is 1474217. The next prime is 1474241. The reversal of 1474220 is 224741.

1474220 = T₁₉₁ + T₁₉₂ + ... + T₂₅₀.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1474192 and 1474201.

It is an unprimeable number.

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, 3131 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (140742).

2^1474220 is an apocalyptic number.

1474220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1474220 is an abundant number, since it is smaller than the sum of its proper divisors (1903588).

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

1474220 is a wasteful number, since it uses less digits than its factorization.

1474220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1474220 is about 1214.1746167665. The cubic root of 1474220 is about 113.8118369251.

Adding to 1474220 its reverse (224741), we get a palindrome (1698961).

The spelling of 1474220 in words is "one million, four hundred seventy-four thousand, two hundred twenty".