10221942 has 16 divisors (see below), whose sum is σ = 20509632. Its totient is φ = 3396360.

The previous prime is 10221931. The next prime is 10221961. The reversal of 10221942 is 24912201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (1281852).

Almost surely, 2^10221942 is an apocalyptic number.

10221942 is an abundant number, since it is smaller than the sum of its proper divisors (10287690).

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

10221942 is a wasteful number, since it uses less digits than its factorization.

10221942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

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

The square root of 10221942 is about 3197.1771924621. The cubic root of 10221942 is about 217.0256859031.

The spelling of 10221942 in words is "ten million, two hundred twenty-one thousand, nine hundred forty-two".