1022242724 has 6 divisors (see below), whose sum is σ = 1788924774. Its totient is φ = 511121360.

The previous prime is 1022242723. The next prime is 1022242729. The reversal of 1022242724 is 4272422201.

It can be written as a sum of positive squares in only one way, i.e., 866242624 + 156000100 = 29432^2 + 12490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022242693 and 1022242702.

It is not an unprimeable number, because it can be changed into a prime (1022242723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127780337 + ... + 127780344.

It is an arithmetic number, because the mean of its divisors is an integer number (298154129).

Almost surely, 2^1022242724 is an apocalyptic number.

It is an amenable number.

1022242724 is a deficient number, since it is larger than the sum of its proper divisors (766682050).

1022242724 is a wasteful number, since it uses less digits than its factorization.

1022242724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255560685 (or 255560683 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1022242724 is about 31972.5307725241. The cubic root of 1022242724 is about 1007.3599397277.

Adding to 1022242724 its reverse (4272422201), we get a palindrome (5294664925).

The spelling of 1022242724 in words is "one billion, twenty-two million, two hundred forty-two thousand, seven hundred twenty-four".