1022220023 has 4 divisors (see below), whose sum is σ = 1115149128. Its totient is φ = 929290920.

The previous prime is 1022219999. The next prime is 1022220029. The reversal of 1022220023 is 3200222201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022220023 - 2⁶ = 1022219959 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 (1022220029) 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, 46464536 + ... + 46464557.

It is an arithmetic number, because the mean of its divisors is an integer number (278787282).

Almost surely, 2^1022220023 is an apocalyptic number.

1022220023 is a deficient number, since it is larger than the sum of its proper divisors (92929105).

1022220023 is an equidigital number, since it uses as much as digits as its factorization.

1022220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92929104.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1022220023 is about 31972.1757626847. The cubic root of 1022220023 is about 1007.3524828401.

Adding to 1022220023 its reverse (3200222201), we get a palindrome (4222442224).

The spelling of 1022220023 in words is "one billion, twenty-two million, two hundred twenty thousand, twenty-three".