10221402 has 24 divisors (see below), whose sum is σ = 20770848. Its totient is φ = 3353200.

The previous prime is 10221397. The next prime is 10221443. The reversal of 10221402 is 20412201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61123 + ... + 61289.

It is an arithmetic number, because the mean of its divisors is an integer number (865452).

Almost surely, 2^10221402 is an apocalyptic number.

10221402 is an abundant number, since it is smaller than the sum of its proper divisors (10549446).

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

10221402 is a wasteful number, since it uses less digits than its factorization.

10221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10221402 is about 3197.0927418516. The cubic root of 10221402 is about 217.0218641918.

Adding to 10221402 its reverse (20412201), we get a palindrome (30633603).

The spelling of 10221402 in words is "ten million, two hundred twenty-one thousand, four hundred two".