2214245021 has 4 divisors (see below), whose sum is σ = 2215072992. Its totient is φ = 2213417052.

The previous prime is 2214245003. The next prime is 2214245023. The reversal of 2214245021 is 1205424122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2214245021 - 2⁶ = 2214244957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214245023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409961 + ... + 415326.

It is an arithmetic number, because the mean of its divisors is an integer number (553768248).

Almost surely, 2^2214245021 is an apocalyptic number.

It is an amenable number.

2214245021 is a deficient number, since it is larger than the sum of its proper divisors (827971).

2214245021 is an equidigital number, since it uses as much as digits as its factorization.

2214245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827970.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2214245021 is about 47055.7650134391. The cubic root of 2214245021 is about 1303.3925238666.

Adding to 2214245021 its reverse (1205424122), we get a palindrome (3419669143).

The spelling of 2214245021 in words is "two billion, two hundred fourteen million, two hundred forty-five thousand, twenty-one".