1022144641 has 8 divisors (see below), whose sum is σ = 1177364480. Its totient is φ = 869224608.

The previous prime is 1022144639. The next prime is 1022144663. The reversal of 1022144641 is 1464412201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022144641 - 2¹ = 1022144639 is a prime.

It is a super-3 number, since 3×1022144641³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022144611) 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, 573996 + ... + 575773.

It is an arithmetic number, because the mean of its divisors is an integer number (147170560).

Almost surely, 2^1022144641 is an apocalyptic number.

It is an amenable number.

1022144641 is a deficient number, since it is larger than the sum of its proper divisors (155219839).

1022144641 is a wasteful number, since it uses less digits than its factorization.

1022144641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149903.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1022144641 is about 31970.9968721652. The cubic root of 1022144641 is about 1007.3277203592.

Adding to 1022144641 its reverse (1464412201), we get a palindrome (2486556842).

The spelling of 1022144641 in words is "one billion, twenty-two million, one hundred forty-four thousand, six hundred forty-one".