2021022442 has 8 divisors (see below), whose sum is σ = 3034620576. Its totient is φ = 1009482252.

The previous prime is 2021022439. The next prime is 2021022461. The reversal of 2021022442 is 2442201202.

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

It is a super-2 number, since 2×2021022442² = 8169063422135286728, which contains 22 as substring.

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, 512028 + ... + 515959.

It is an arithmetic number, because the mean of its divisors is an integer number (379327572).

Almost surely, 2^2021022442 is an apocalyptic number.

2021022442 is a deficient number, since it is larger than the sum of its proper divisors (1013598134).

2021022442 is a wasteful number, since it uses less digits than its factorization.

2021022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028972.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2021022442 is about 44955.7831874832. The cubic root of 2021022442 is about 1264.3201087488.

Adding to 2021022442 its reverse (2442201202), we get a palindrome (4463223644).

The spelling of 2021022442 in words is "two billion, twenty-one million, twenty-two thousand, four hundred forty-two".