1051422444 has 30 divisors (see below), whose sum is σ = 2748626804. Its totient is φ = 350474040.

The previous prime is 1051422439. The next prime is 1051422487. The reversal of 1051422444 is 4442241501.

It is a super-2 number, since 2×1051422444² = 2210978311493866272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1622242 + ... + 1622889.

Almost surely, 2^1051422444 is an apocalyptic number.

It is an amenable number.

1051422444 is an abundant number, since it is smaller than the sum of its proper divisors (1697204360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051422444 is a wasteful number, since it uses less digits than its factorization.

1051422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245147 (or 3245136 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1051422444 is about 32425.6448509509. The cubic root of 1051422444 is about 1016.8551233310.

Adding to 1051422444 its reverse (4442241501), we get a palindrome (5493663945).

The spelling of 1051422444 in words is "one billion, fifty-one million, four hundred twenty-two thousand, four hundred forty-four".