21514202 has 8 divisors (see below), whose sum is σ = 32567700. Its totient is φ = 10658304.

The previous prime is 21514159. The next prime is 21514211. The reversal of 21514202 is 20241512.

It can be written as a sum of positive squares in 2 ways, for example, as 21077281 + 436921 = 4591^2 + 661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49127 + ... + 49562.

Almost surely, 2^21514202 is an apocalyptic number.

21514202 is a deficient number, since it is larger than the sum of its proper divisors (11053498).

21514202 is a wasteful number, since it uses less digits than its factorization.

21514202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98800.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 21514202 is about 4638.3404359749. The cubic root of 21514202 is about 278.1261008583.

Adding to 21514202 its reverse (20241512), we get a palindrome (41755714).

The spelling of 21514202 in words is "twenty-one million, five hundred fourteen thousand, two hundred two".