1022434646 has 4 divisors (see below), whose sum is σ = 1533651972. Its totient is φ = 511217322.

The previous prime is 1022434639. The next prime is 1022434649. The reversal of 1022434646 is 6464342201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6464342201 = 139 ⋅46506059.

It is a super-2 number, since 2×1022434646² = 2090745210682290632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022434649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255608660 + ... + 255608663.

It is an arithmetic number, because the mean of its divisors is an integer number (383412993).

Almost surely, 2^1022434646 is an apocalyptic number.

1022434646 is a deficient number, since it is larger than the sum of its proper divisors (511217326).

1022434646 is an equidigital number, since it uses as much as digits as its factorization.

1022434646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511217325.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 1022434646 is about 31975.5319893196. The cubic root of 1022434646 is about 1007.4229783883.

Adding to 1022434646 its reverse (6464342201), we get a palindrome (7486776847).

The spelling of 1022434646 in words is "one billion, twenty-two million, four hundred thirty-four thousand, six hundred forty-six".