1950221 has 16 divisors (see below), whose sum is σ = 2486400. Its totient is φ = 1487808.

The previous prime is 1950211. The next prime is 1950227. The reversal of 1950221 is 1220591.

It is not a de Polignac number, because 1950221 - 2¹⁴ = 1933837 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1950193 and 1950202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950227) 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, 2270 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

2^1950221 is an apocalyptic number.

It is an amenable number.

1950221 is a deficient number, since it is larger than the sum of its proper divisors (536179).

1950221 is a wasteful number, since it uses less digits than its factorization.

1950221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1950221 is about 1396.5031328286. The cubic root of 1950221 is about 124.9380172702.

The spelling of 1950221 in words is "one million, nine hundred fifty thousand, two hundred twenty-one".