1022430461 has 4 divisors (see below), whose sum is σ = 1101078972. Its totient is φ = 943781952.

The previous prime is 1022430457. The next prime is 1022430469. The reversal of 1022430461 is 1640342201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 553707961 + 468722500 = 23531^2 + 21650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022430461 - 2² = 1022430457 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 (1022430469) 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, 39324236 + ... + 39324261.

It is an arithmetic number, because the mean of its divisors is an integer number (275269743).

Almost surely, 2^1022430461 is an apocalyptic number.

It is an amenable number.

1022430461 is a deficient number, since it is larger than the sum of its proper divisors (78648511).

1022430461 is an equidigital number, since it uses as much as digits as its factorization.

1022430461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78648510.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1022430461 is about 31975.4665485900. The cubic root of 1022430461 is about 1007.4216038682.

Adding to 1022430461 its reverse (1640342201), we get a palindrome (2662772662).

The spelling of 1022430461 in words is "one billion, twenty-two million, four hundred thirty thousand, four hundred sixty-one".