1022251630 has 16 divisors (see below), whose sum is σ = 1841004144. Its totient is φ = 408689280.

The previous prime is 1022251621. The next prime is 1022251639. The reversal of 1022251630 is 361522201.

It is an interprime number because it is at equal distance from previous prime (1022251621) and next prime (1022251639).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022251639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307 + ... + 45526.

It is an arithmetic number, because the mean of its divisors is an integer number (115062759).

Almost surely, 2^1022251630 is an apocalyptic number.

1022251630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022251630 is a deficient number, since it is larger than the sum of its proper divisors (818752514).

1022251630 is a wasteful number, since it uses less digits than its factorization.

1022251630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52851.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1022251630 is about 31972.6700480270. The cubic root of 1022251630 is about 1007.3628651652.

Adding to 1022251630 its reverse (361522201), we get a palindrome (1383773831).

The spelling of 1022251630 in words is "one billion, twenty-two million, two hundred fifty-one thousand, six hundred thirty".