1400254022 has 16 divisors (see below), whose sum is σ = 2130678000. Its totient is φ = 690100320.

The previous prime is 1400253991. The next prime is 1400254049. The reversal of 1400254022 is 2204520041.

It is a happy number.

It is a super-2 number, since 2×1400254022² = 3921422652254352968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400253985 and 1400254003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21104 + ... + 56972.

It is an arithmetic number, because the mean of its divisors is an integer number (133167375).

Almost surely, 2^1400254022 is an apocalyptic number.

1400254022 is a deficient number, since it is larger than the sum of its proper divisors (730423978).

1400254022 is a wasteful number, since it uses less digits than its factorization.

1400254022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36151.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1400254022 is about 37419.9682255343. The cubic root of 1400254022 is about 1118.7565978950.

Adding to 1400254022 its reverse (2204520041), we get a palindrome (3604774063).

The spelling of 1400254022 in words is "one billion, four hundred million, two hundred fifty-four thousand, twenty-two".